^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) * GPD Pocket fan controller driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
^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) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/power_supply.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/thermal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define MAX_SPEED 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define TEMP_LIMIT0_DEFAULT 55000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define TEMP_LIMIT1_DEFAULT 60000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define TEMP_LIMIT2_DEFAULT 65000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define HYSTERESIS_DEFAULT 3000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define SPEED_ON_AC_DEFAULT 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static int temp_limits[3] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) TEMP_LIMIT0_DEFAULT, TEMP_LIMIT1_DEFAULT, TEMP_LIMIT2_DEFAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) module_param_array(temp_limits, int, NULL, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) MODULE_PARM_DESC(temp_limits,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) "Millicelsius values above which the fan speed increases");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int hysteresis = HYSTERESIS_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) module_param(hysteresis, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) MODULE_PARM_DESC(hysteresis,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) "Hysteresis in millicelsius before lowering the fan speed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static int speed_on_ac = SPEED_ON_AC_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) module_param(speed_on_ac, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) MODULE_PARM_DESC(speed_on_ac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) "minimum fan speed to allow when system is powered by AC");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct gpd_pocket_fan_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) struct thermal_zone_device *dts0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct thermal_zone_device *dts1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct gpio_desc *gpio0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct gpio_desc *gpio1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct delayed_work work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) int last_speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static void gpd_pocket_fan_set_speed(struct gpd_pocket_fan_data *fan, int speed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) if (speed == fan->last_speed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) gpiod_direction_output(fan->gpio0, !!(speed & 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) gpiod_direction_output(fan->gpio1, !!(speed & 2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) fan->last_speed = speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static int gpd_pocket_fan_min_speed(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) if (power_supply_is_system_supplied())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return speed_on_ac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static void gpd_pocket_fan_worker(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct gpd_pocket_fan_data *fan =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) container_of(work, struct gpd_pocket_fan_data, work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) int t0, t1, temp, speed, min_speed, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (thermal_zone_get_temp(fan->dts0, &t0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) thermal_zone_get_temp(fan->dts1, &t1)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) dev_warn(fan->dev, "Error getting temperature\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) speed = MAX_SPEED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) goto set_speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) temp = max(t0, t1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) speed = fan->last_speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) min_speed = gpd_pocket_fan_min_speed();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /* Determine minimum speed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) for (i = min_speed; i < ARRAY_SIZE(temp_limits); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (temp < temp_limits[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (speed < i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) speed = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /* Use hysteresis before lowering speed again */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) for (i = min_speed; i < ARRAY_SIZE(temp_limits); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (temp <= (temp_limits[i] - hysteresis))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (speed > i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) speed = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (fan->last_speed <= 0 && speed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) speed = MAX_SPEED; /* kick start motor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) set_speed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) gpd_pocket_fan_set_speed(fan, speed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* When mostly idle (low temp/speed), slow down the poll interval. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) queue_delayed_work(system_wq, &fan->work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) msecs_to_jiffies(4000 / (speed + 1)));
^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) static void gpd_pocket_fan_force_update(struct gpd_pocket_fan_data *fan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) fan->last_speed = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) mod_delayed_work(system_wq, &fan->work, 0);
^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 int gpd_pocket_fan_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct gpd_pocket_fan_data *fan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) for (i = 0; i < ARRAY_SIZE(temp_limits); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (temp_limits[i] < 20000 || temp_limits[i] > 90000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) dev_err(&pdev->dev, "Invalid temp-limit %d (must be between 20000 and 90000)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) temp_limits[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) temp_limits[0] = TEMP_LIMIT0_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) temp_limits[1] = TEMP_LIMIT1_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) temp_limits[2] = TEMP_LIMIT2_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (hysteresis < 1000 || hysteresis > 10000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) dev_err(&pdev->dev, "Invalid hysteresis %d (must be between 1000 and 10000)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) hysteresis);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) hysteresis = HYSTERESIS_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) if (speed_on_ac < 0 || speed_on_ac > MAX_SPEED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) dev_err(&pdev->dev, "Invalid speed_on_ac %d (must be between 0 and 3)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) speed_on_ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) speed_on_ac = SPEED_ON_AC_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (!fan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) fan->dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) INIT_DELAYED_WORK(&fan->work, gpd_pocket_fan_worker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /* Note this returns a "weak" reference which we don't need to free */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) fan->dts0 = thermal_zone_get_zone_by_name("soc_dts0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (IS_ERR(fan->dts0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) fan->dts1 = thermal_zone_get_zone_by_name("soc_dts1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (IS_ERR(fan->dts1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return -EPROBE_DEFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) fan->gpio0 = devm_gpiod_get_index(fan->dev, NULL, 0, GPIOD_ASIS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (IS_ERR(fan->gpio0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return PTR_ERR(fan->gpio0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) fan->gpio1 = devm_gpiod_get_index(fan->dev, NULL, 1, GPIOD_ASIS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) if (IS_ERR(fan->gpio1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return PTR_ERR(fan->gpio1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) gpd_pocket_fan_force_update(fan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) platform_set_drvdata(pdev, fan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static int gpd_pocket_fan_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) struct gpd_pocket_fan_data *fan = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) cancel_delayed_work_sync(&fan->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) static int gpd_pocket_fan_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct gpd_pocket_fan_data *fan = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) cancel_delayed_work_sync(&fan->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) gpd_pocket_fan_set_speed(fan, gpd_pocket_fan_min_speed());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static int gpd_pocket_fan_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct gpd_pocket_fan_data *fan = dev_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) gpd_pocket_fan_force_update(fan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static SIMPLE_DEV_PM_OPS(gpd_pocket_fan_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) gpd_pocket_fan_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) gpd_pocket_fan_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static struct acpi_device_id gpd_pocket_fan_acpi_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) { "FAN02501" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) MODULE_DEVICE_TABLE(acpi, gpd_pocket_fan_acpi_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) static struct platform_driver gpd_pocket_fan_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .probe = gpd_pocket_fan_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .remove = gpd_pocket_fan_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .name = "gpd_pocket_fan",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .acpi_match_table = gpd_pocket_fan_acpi_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .pm = &gpd_pocket_fan_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) module_platform_driver(gpd_pocket_fan_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) MODULE_DESCRIPTION("GPD pocket fan driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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