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) // rx1950.c - ALSA SoC Audio Layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) // Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) // Based on smdk2440.c and magician.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) //
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) // Authors: Graeme Gregory graeme.gregory@wolfsonmicro.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) //          Philipp Zabel <philipp.zabel@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) //          Denis Grigoriev <dgreenday@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) //          Vasily Khoruzhick <anarsoul@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/gpio/consumer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <sound/soc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <sound/jack.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "regs-iis.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "s3c24xx-i2s.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) static int rx1950_startup(struct snd_pcm_substream *substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) static int rx1950_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 				struct snd_pcm_hw_params *params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) static int rx1950_spk_power(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 				struct snd_kcontrol *kcontrol, int event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static const unsigned int rates[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	16000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	44100,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	48000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) static const struct snd_pcm_hw_constraint_list hw_rates = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	.count = ARRAY_SIZE(rates),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	.list = rates,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static struct snd_soc_jack hp_jack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) static struct snd_soc_jack_pin hp_jack_pins[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		.pin	= "Headphone Jack",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		.mask	= SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		.pin	= "Speaker",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		.mask	= SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		.invert	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) static struct snd_soc_jack_gpio hp_jack_gpios[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	[0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		.name			= "hp-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		.report			= SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		.invert			= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		.debounce_time		= 200,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	},
^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 struct snd_soc_ops rx1950_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	.startup	= rx1950_startup,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	.hw_params	= rx1950_hw_params,
^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) /* s3c24xx digital audio interface glue - connects codec <--> CPU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) SND_SOC_DAILINK_DEFS(uda1380,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	DAILINK_COMP_ARRAY(COMP_CODEC("uda1380-codec.0-001a",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 				      "uda1380-hifi")),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) static struct snd_soc_dai_link rx1950_uda1380_dai[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		.name		= "uda1380",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		.stream_name	= "UDA1380 Duplex",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		.init		= rx1950_uda1380_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 				  SND_SOC_DAIFMT_CBS_CFS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		.ops		= &rx1950_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		SND_SOC_DAILINK_REG(uda1380),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) /* rx1950 machine dapm widgets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	SND_SOC_DAPM_SPK("Speaker", rx1950_spk_power),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) /* rx1950 machine audio_map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) static const struct snd_soc_dapm_route audio_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	/* headphone connected to VOUTLHP, VOUTRHP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	{"Headphone Jack", NULL, "VOUTLHP"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	{"Headphone Jack", NULL, "VOUTRHP"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	/* ext speaker connected to VOUTL, VOUTR  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	{"Speaker", NULL, "VOUTL"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	{"Speaker", NULL, "VOUTR"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	/* mic is connected to VINM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	{"VINM", NULL, "Mic Jack"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) static struct snd_soc_card rx1950_asoc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	.name = "rx1950",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	.dai_link = rx1950_uda1380_dai,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	.num_links = ARRAY_SIZE(rx1950_uda1380_dai),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	.dapm_widgets = uda1380_dapm_widgets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	.num_dapm_widgets = ARRAY_SIZE(uda1380_dapm_widgets),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	.dapm_routes = audio_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	.num_dapm_routes = ARRAY_SIZE(audio_map),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static int rx1950_startup(struct snd_pcm_substream *substream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	struct snd_pcm_runtime *runtime = substream->runtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	return snd_pcm_hw_constraint_list(runtime, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 					SNDRV_PCM_HW_PARAM_RATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 					&hw_rates);
^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) struct gpio_desc *gpiod_speaker_power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static int rx1950_spk_power(struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 				struct snd_kcontrol *kcontrol, int event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	if (SND_SOC_DAPM_EVENT_ON(event))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		gpiod_set_value(gpiod_speaker_power, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 		gpiod_set_value(gpiod_speaker_power, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static int rx1950_hw_params(struct snd_pcm_substream *substream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 				struct snd_pcm_hw_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	int div;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	unsigned int rate = params_rate(params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	int clk_source, fs_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	switch (rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	case 16000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	case 48000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		clk_source = S3C24XX_CLKSRC_PCLK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		fs_mode = S3C2410_IISMOD_256FS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		div = s3c24xx_i2s_get_clockrate() / (256 * rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		if (s3c24xx_i2s_get_clockrate() % (256 * rate) > (128 * rate))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 			div++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	case 44100:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	case 88200:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		clk_source = S3C24XX_CLKSRC_MPLL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		fs_mode = S3C2410_IISMOD_384FS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		div = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		printk(KERN_ERR "%s: rate %d is not supported\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 			__func__, rate);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	/* select clock source */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	ret = snd_soc_dai_set_sysclk(cpu_dai, clk_source, rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 			SND_SOC_CLOCK_OUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	/* set MCLK division for sample rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		fs_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	/* set BCLK division for sample rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_BCLK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		S3C2410_IISMOD_32FS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	/* set prescaler division for sample rate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		S3C24XX_PRESCALE(div, div));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	snd_soc_card_jack_new(rtd->card, "Headphone Jack", SND_JACK_HEADPHONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		&hp_jack, hp_jack_pins, ARRAY_SIZE(hp_jack_pins));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	snd_soc_jack_add_gpios(&hp_jack, ARRAY_SIZE(hp_jack_gpios),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		hp_jack_gpios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static int rx1950_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	/* configure some gpios */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	gpiod_speaker_power = devm_gpiod_get(dev, "speaker-power", GPIOD_OUT_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	if (IS_ERR(gpiod_speaker_power)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 		dev_err(dev, "cannot get gpio\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		return PTR_ERR(gpiod_speaker_power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	hp_jack_gpios[0].gpiod_dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	rx1950_asoc.dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	return devm_snd_soc_register_card(dev, &rx1950_asoc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) struct platform_driver rx1950_audio = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		.name = "rx1950-audio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		.pm = &snd_soc_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	.probe = rx1950_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) module_platform_driver(rx1950_audio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) /* Module information */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) MODULE_AUTHOR("Vasily Khoruzhick");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) MODULE_DESCRIPTION("ALSA SoC RX1950");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) MODULE_ALIAS("platform:rx1950-audio");