Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * lg-laptop.c - LG Gram ACPI features and hotkeys Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2018 Matan Ziv-Av <matan@svgalib.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/input/sparse-keymap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define LED_DEVICE(_name, max) struct led_classdev _name = { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	.name           = __stringify(_name),   \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	.max_brightness = max,                  \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	.brightness_set = _name##_set,          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	.brightness_get = _name##_get,          \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) MODULE_AUTHOR("Matan Ziv-Av");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) MODULE_DESCRIPTION("LG WMI Hotkey Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #define WMI_EVENT_GUID0	"E4FB94F9-7F2B-4173-AD1A-CD1D95086248"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #define WMI_EVENT_GUID1	"023B133E-49D1-4E10-B313-698220140DC2"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define WMI_EVENT_GUID2	"37BE1AC0-C3F2-4B1F-BFBE-8FDEAF2814D6"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) #define WMI_EVENT_GUID3	"911BAD44-7DF8-4FBB-9319-BABA1C4B293B"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define WMI_METHOD_WMAB "C3A72B38-D3EF-42D3-8CBB-D5A57049F66D"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define WMI_METHOD_WMBB "2B4F501A-BD3C-4394-8DCF-00A7D2BC8210"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define WMI_EVENT_GUID  WMI_EVENT_GUID0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define WMAB_METHOD     "\\XINI.WMAB"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) #define WMBB_METHOD     "\\XINI.WMBB"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define SB_GGOV_METHOD  "\\_SB.GGOV"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define GOV_TLED        0x2020008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define WM_GET          1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define WM_SET          2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define WM_KEY_LIGHT    0x400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define WM_TLED         0x404
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define WM_FN_LOCK      0x407
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define WM_BATT_LIMIT   0x61
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) #define WM_READER_MODE  0xBF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define WM_FAN_MODE	0x33
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define WMBB_USB_CHARGE 0x10B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #define WMBB_BATT_LIMIT 0x10C
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) #define PLATFORM_NAME   "lg-laptop"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) MODULE_ALIAS("wmi:" WMI_EVENT_GUID0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) MODULE_ALIAS("wmi:" WMI_EVENT_GUID1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) MODULE_ALIAS("wmi:" WMI_EVENT_GUID2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) MODULE_ALIAS("wmi:" WMI_EVENT_GUID3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) MODULE_ALIAS("wmi:" WMI_METHOD_WMAB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) MODULE_ALIAS("wmi:" WMI_METHOD_WMBB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) MODULE_ALIAS("acpi*:LGEX0815:*");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) static struct platform_device *pf_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) static struct input_dev *wmi_input_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static u32 inited;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) #define INIT_INPUT_WMI_0        0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) #define INIT_INPUT_WMI_2        0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #define INIT_INPUT_ACPI         0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) #define INIT_SPARSE_KEYMAP      0x80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) static const struct key_entry wmi_keymap[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	{KE_KEY, 0x70, {KEY_F15} },	 /* LG control panel (F1) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	{KE_KEY, 0x74, {KEY_F13} },	 /* Touchpad toggle (F5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	{KE_KEY, 0xf020000, {KEY_F14} }, /* Read mode (F9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	{KE_KEY, 0x10000000, {KEY_F16} },/* Keyboard backlight (F8) - pressing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 					  * this key both sends an event and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 					  * changes backlight level.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 					  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	{KE_KEY, 0x80, {KEY_RFKILL} },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	{KE_END, 0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static int ggov(u32 arg0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	union acpi_object args[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	acpi_handle handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	struct acpi_object_list arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	args[0].type = ACPI_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	args[0].integer.value = arg0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	status = acpi_get_handle(NULL, (acpi_string) SB_GGOV_METHOD, &handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		pr_err("Cannot get handle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	arg.count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	arg.pointer = args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		acpi_handle_err(handle, "GGOV: call failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	r = buffer.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	if (r->type != ACPI_TYPE_INTEGER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	res = r->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static union acpi_object *lg_wmab(u32 method, u32 arg1, u32 arg2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	union acpi_object args[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	acpi_handle handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	struct acpi_object_list arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	args[0].type = ACPI_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	args[0].integer.value = method;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	args[1].type = ACPI_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	args[1].integer.value = arg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	args[2].type = ACPI_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	args[2].integer.value = arg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	status = acpi_get_handle(NULL, (acpi_string) WMAB_METHOD, &handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		pr_err("Cannot get handle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	arg.count = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	arg.pointer = args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		acpi_handle_err(handle, "WMAB: call failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	return buffer.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static union acpi_object *lg_wmbb(u32 method_id, u32 arg1, u32 arg2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	union acpi_object args[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	acpi_handle handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	struct acpi_object_list arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	u8 buf[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	*(u32 *)buf = method_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	*(u32 *)(buf + 4) = arg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	*(u32 *)(buf + 16) = arg2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	args[0].type = ACPI_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	args[0].integer.value = 0; /* ignored */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	args[1].type = ACPI_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	args[1].integer.value = 1; /* Must be 1 or 2. Does not matter which */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	args[2].type = ACPI_TYPE_BUFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	args[2].buffer.length = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	args[2].buffer.pointer = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	status = acpi_get_handle(NULL, (acpi_string)WMBB_METHOD, &handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		pr_err("Cannot get handle");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	arg.count = 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	arg.pointer = args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	status = acpi_evaluate_object(handle, NULL, &arg, &buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		acpi_handle_err(handle, "WMAB: call failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	return (union acpi_object *)buffer.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static void wmi_notify(u32 value, void *context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	union acpi_object *obj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	long data = (long)context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	pr_debug("event guid %li\n", data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	status = wmi_get_event_data(value, &response);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	if (ACPI_FAILURE(status)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		pr_err("Bad event status 0x%x\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	obj = (union acpi_object *)response.pointer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	if (!obj)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	if (obj->type == ACPI_TYPE_INTEGER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		int eventcode = obj->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		struct key_entry *key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 		key =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		    sparse_keymap_entry_from_scancode(wmi_input_dev, eventcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 		if (key && key->type == KE_KEY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			sparse_keymap_report_entry(wmi_input_dev, key, 1, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	pr_debug("Type: %i    Eventcode: 0x%llx\n", obj->type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		 obj->integer.value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	kfree(response.pointer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static void wmi_input_setup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	acpi_status status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	wmi_input_dev = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	if (wmi_input_dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		wmi_input_dev->name = "LG WMI hotkeys";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		wmi_input_dev->phys = "wmi/input0";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 		wmi_input_dev->id.bustype = BUS_HOST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		if (sparse_keymap_setup(wmi_input_dev, wmi_keymap, NULL) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 		    input_register_device(wmi_input_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			pr_info("Cannot initialize input device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 			input_free_device(wmi_input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		inited |= INIT_SPARSE_KEYMAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 		status = wmi_install_notify_handler(WMI_EVENT_GUID0, wmi_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 						    (void *)0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		if (ACPI_SUCCESS(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 			inited |= INIT_INPUT_WMI_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 		status = wmi_install_notify_handler(WMI_EVENT_GUID2, wmi_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 						    (void *)2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		if (ACPI_SUCCESS(status))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			inited |= INIT_INPUT_WMI_2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 		pr_info("Cannot allocate input device");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) static void acpi_notify(struct acpi_device *device, u32 event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	struct key_entry *key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	acpi_handle_debug(device->handle, "notify: %d\n", event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	if (inited & INIT_SPARSE_KEYMAP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		key = sparse_keymap_entry_from_scancode(wmi_input_dev, 0x80);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		if (key && key->type == KE_KEY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 			sparse_keymap_report_entry(wmi_input_dev, key, 1, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) static ssize_t fan_mode_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 			      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 			      const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	bool value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	u32 m;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	ret = kstrtobool(buffer, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	if (r->type != ACPI_TYPE_INTEGER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	m = r->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 	r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xffffff0f) | (value << 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	r = lg_wmab(WM_FAN_MODE, WM_SET, (m & 0xfffffff0) | value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) static ssize_t fan_mode_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 			     struct device_attribute *attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	r = lg_wmab(WM_FAN_MODE, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 	if (r->type != ACPI_TYPE_INTEGER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 	status = r->integer.value & 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	return snprintf(buffer, PAGE_SIZE, "%d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) static ssize_t usb_charge_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 				struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 				const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	bool value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	ret = kstrtobool(buffer, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	r = lg_wmbb(WMBB_USB_CHARGE, WM_SET, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) static ssize_t usb_charge_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 			       struct device_attribute *attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 	r = lg_wmbb(WMBB_USB_CHARGE, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	if (r->type != ACPI_TYPE_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	status = !!r->buffer.pointer[0x10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	return snprintf(buffer, PAGE_SIZE, "%d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static ssize_t reader_mode_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 				 struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 				 const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	bool value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	ret = kstrtobool(buffer, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	r = lg_wmab(WM_READER_MODE, WM_SET, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static ssize_t reader_mode_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 				struct device_attribute *attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 	r = lg_wmab(WM_READER_MODE, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 	if (r->type != ACPI_TYPE_INTEGER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	status = !!r->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 	return snprintf(buffer, PAGE_SIZE, "%d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) static ssize_t fn_lock_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 			     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 			     const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 	bool value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	ret = kstrtobool(buffer, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 	r = lg_wmab(WM_FN_LOCK, WM_SET, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) static ssize_t fn_lock_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 			    struct device_attribute *attr, char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 	unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 	r = lg_wmab(WM_FN_LOCK, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 	if (r->type != ACPI_TYPE_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	status = !!r->buffer.pointer[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	return snprintf(buffer, PAGE_SIZE, "%d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) static ssize_t battery_care_limit_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 					struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) 					const char *buffer, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 	unsigned long value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	ret = kstrtoul(buffer, 10, &value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 	if (value == 100 || value == 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) 		union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) 		r = lg_wmab(WM_BATT_LIMIT, WM_SET, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 		if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) 			return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) 		return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) 	return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) static ssize_t battery_care_limit_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) 				       struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) 				       char *buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) 	unsigned int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) 	r = lg_wmab(WM_BATT_LIMIT, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) 	if (r->type != ACPI_TYPE_INTEGER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) 	status = r->integer.value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) 	if (status != 80 && status != 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) 		status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) 	return snprintf(buffer, PAGE_SIZE, "%d\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) static DEVICE_ATTR_RW(fan_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) static DEVICE_ATTR_RW(usb_charge);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) static DEVICE_ATTR_RW(reader_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) static DEVICE_ATTR_RW(fn_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) static DEVICE_ATTR_RW(battery_care_limit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) static struct attribute *dev_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) 	&dev_attr_fan_mode.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) 	&dev_attr_usb_charge.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) 	&dev_attr_reader_mode.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) 	&dev_attr_fn_lock.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) 	&dev_attr_battery_care_limit.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static const struct attribute_group dev_attribute_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) 	.attrs = dev_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) static void tpad_led_set(struct led_classdev *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) 			 enum led_brightness brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) 	r = lg_wmab(WM_TLED, WM_SET, brightness > LED_OFF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) static enum led_brightness tpad_led_get(struct led_classdev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) 	return ggov(GOV_TLED) > 0 ? LED_ON : LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) static LED_DEVICE(tpad_led, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) static void kbd_backlight_set(struct led_classdev *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) 			      enum led_brightness brightness)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) 	u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) 	val = 0x22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) 	if (brightness <= LED_OFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) 		val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) 	if (brightness >= LED_FULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) 		val = 0x24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) 	r = lg_wmab(WM_KEY_LIGHT, WM_SET, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) static enum led_brightness kbd_backlight_get(struct led_classdev *cdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) 	union acpi_object *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) 	r = lg_wmab(WM_KEY_LIGHT, WM_GET, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) 		return LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) 	if (r->type != ACPI_TYPE_BUFFER || r->buffer.pointer[1] != 0x05) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) 		kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) 		return LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) 	switch (r->buffer.pointer[0] & 0x27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) 	case 0x24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) 		val = LED_FULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) 	case 0x22:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) 		val = LED_HALF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) 		val = LED_OFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) 	kfree(r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) 	return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) static LED_DEVICE(kbd_backlight, 255);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) static void wmi_input_destroy(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) 	if (inited & INIT_INPUT_WMI_2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 		wmi_remove_notify_handler(WMI_EVENT_GUID2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) 	if (inited & INIT_INPUT_WMI_0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 		wmi_remove_notify_handler(WMI_EVENT_GUID0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) 	if (inited & INIT_SPARSE_KEYMAP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) 		input_unregister_device(wmi_input_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) 	inited &= ~(INIT_INPUT_WMI_0 | INIT_INPUT_WMI_2 | INIT_SPARSE_KEYMAP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) static struct platform_driver pf_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) 		   .name = PLATFORM_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) static int acpi_add(struct acpi_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) 	if (pf_device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) 	ret = platform_driver_register(&pf_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) 	pf_device = platform_device_register_simple(PLATFORM_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) 						    PLATFORM_DEVID_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) 						    NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) 	if (IS_ERR(pf_device)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) 		ret = PTR_ERR(pf_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) 		pf_device = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) 		pr_err("unable to register platform device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) 		goto out_platform_registered;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) 	ret = sysfs_create_group(&pf_device->dev.kobj, &dev_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) 		goto out_platform_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) 	/* LEDs are optional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) 	led_classdev_register(&pf_device->dev, &kbd_backlight);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) 	led_classdev_register(&pf_device->dev, &tpad_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) 	wmi_input_setup();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) out_platform_device:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) 	platform_device_unregister(pf_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) out_platform_registered:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) 	platform_driver_unregister(&pf_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) static int acpi_remove(struct acpi_device *device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) 	sysfs_remove_group(&pf_device->dev.kobj, &dev_attribute_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) 	led_classdev_unregister(&tpad_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) 	led_classdev_unregister(&kbd_backlight);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) 	wmi_input_destroy();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) 	platform_device_unregister(pf_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) 	pf_device = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) 	platform_driver_unregister(&pf_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) static const struct acpi_device_id device_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) 	{"LGEX0815", 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) 	{"", 0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) MODULE_DEVICE_TABLE(acpi, device_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static struct acpi_driver acpi_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) 	.name = "LG Gram Laptop Support",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) 	.class = "lg-laptop",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) 	.ids = device_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) 	.ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) 		.add = acpi_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) 		.remove = acpi_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) 		.notify = acpi_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) 		},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) static int __init acpi_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) 	int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) 	result = acpi_bus_register_driver(&acpi_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) 	if (result < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering driver\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) static void __exit acpi_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) 	acpi_bus_unregister_driver(&acpi_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) module_init(acpi_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) module_exit(acpi_exit);