Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *   ALSA Driver for the PT2258 volume controller.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *	Copyright (c) 2006  Jochen Voss <voss@seehuhn.de>
^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 <sound/core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <sound/control.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <sound/tlv.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <sound/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <sound/pt2258.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) MODULE_AUTHOR("Jochen Voss <voss@seehuhn.de>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) MODULE_DESCRIPTION("PT2258 volume controller (Princeton Technology Corp.)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define PT2258_CMD_RESET 0xc0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define PT2258_CMD_UNMUTE 0xf8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define PT2258_CMD_MUTE 0xf9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) static const unsigned char pt2258_channel_code[12] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	0x80, 0x90,		/* channel 1: -10dB, -1dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	0x40, 0x50,		/* channel 2: -10dB, -1dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	0x00, 0x10,		/* channel 3: -10dB, -1dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	0x20, 0x30,		/* channel 4: -10dB, -1dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	0x60, 0x70,		/* channel 5: -10dB, -1dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	0xa0, 0xb0		/* channel 6: -10dB, -1dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) int snd_pt2258_reset(struct snd_pt2258 *pt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	unsigned char bytes[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	/* reset chip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	bytes[0] = PT2258_CMD_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	snd_i2c_lock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 		goto __error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	/* mute all channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	pt->mute = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	bytes[0] = PT2258_CMD_MUTE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	snd_i2c_lock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		goto __error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	/* set all channels to 0dB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	for (i = 0; i < 6; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		pt->volume[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	bytes[0] = 0xd0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	bytes[1] = 0xe0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	snd_i2c_lock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		goto __error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64)       __error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	snd_printk(KERN_ERR "PT2258 reset failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) static int pt2258_stereo_volume_info(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 				     struct snd_ctl_elem_info *uinfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	uinfo->count = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	uinfo->value.integer.min = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	uinfo->value.integer.max = 79;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) static int pt2258_stereo_volume_get(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 				    struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	struct snd_pt2258 *pt = kcontrol->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	int base = kcontrol->private_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	/* chip does not support register reads */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	ucontrol->value.integer.value[0] = 79 - pt->volume[base];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	ucontrol->value.integer.value[1] = 79 - pt->volume[base + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) static int pt2258_stereo_volume_put(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 				    struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	struct snd_pt2258 *pt = kcontrol->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	int base = kcontrol->private_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	unsigned char bytes[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	int val0, val1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	val0 = 79 - ucontrol->value.integer.value[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	val1 = 79 - ucontrol->value.integer.value[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	if (val0 < 0 || val0 > 79 || val1 < 0 || val1 > 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	if (val0 == pt->volume[base] && val1 == pt->volume[base + 1])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	pt->volume[base] = val0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	bytes[0] = pt2258_channel_code[2 * base] | (val0 / 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	bytes[1] = pt2258_channel_code[2 * base + 1] | (val0 % 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	snd_i2c_lock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 		goto __error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	pt->volume[base + 1] = val1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	bytes[0] = pt2258_channel_code[2 * base + 2] | (val1 / 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	bytes[1] = pt2258_channel_code[2 * base + 3] | (val1 % 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	snd_i2c_lock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		goto __error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)       __error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	snd_printk(KERN_ERR "PT2258 access failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #define pt2258_switch_info	snd_ctl_boolean_mono_info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static int pt2258_switch_get(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			     struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	struct snd_pt2258 *pt = kcontrol->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	ucontrol->value.integer.value[0] = !pt->mute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static int pt2258_switch_put(struct snd_kcontrol *kcontrol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			     struct snd_ctl_elem_value *ucontrol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	struct snd_pt2258 *pt = kcontrol->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	unsigned char bytes[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	int val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	val = !ucontrol->value.integer.value[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	if (pt->mute == val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	pt->mute = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	bytes[0] = val ? PT2258_CMD_MUTE : PT2258_CMD_UNMUTE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	snd_i2c_lock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		goto __error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)       __error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	snd_i2c_unlock(pt->i2c_bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	snd_printk(KERN_ERR "PT2258 access failed 2\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) static const DECLARE_TLV_DB_SCALE(pt2258_db_scale, -7900, 100, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int snd_pt2258_build_controls(struct snd_pt2258 *pt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	struct snd_kcontrol_new knew;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	char *names[3] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		"Mic Loopback Playback Volume",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		"Line Loopback Playback Volume",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		"CD Loopback Playback Volume"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	int i, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	for (i = 0; i < 3; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		memset(&knew, 0, sizeof(knew));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		knew.name = names[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		knew.count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		    SNDRV_CTL_ELEM_ACCESS_TLV_READ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		knew.private_value = 2 * i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		knew.info = pt2258_stereo_volume_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		knew.get = pt2258_stereo_volume_get;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		knew.put = pt2258_stereo_volume_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		knew.tlv.p = pt2258_db_scale;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 			return err;
^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) 	memset(&knew, 0, sizeof(knew));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	knew.name = "Loopback Switch";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	knew.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	knew.info = pt2258_switch_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	knew.get = pt2258_switch_get;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	knew.put = pt2258_switch_put;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	knew.access = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) EXPORT_SYMBOL(snd_pt2258_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) EXPORT_SYMBOL(snd_pt2258_build_controls);