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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/sound/soc/samsung/h1940_uda1380.c
....@@ -1,29 +1,20 @@
1
-/*
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- * h1940-uda1380.c  --  ALSA Soc Audio Layer
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- *
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- * Copyright (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
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- * Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
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- *
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- * Based on version from Arnaud Patard <arnaud.patard@rtp-net.org>
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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- *
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- */
1
+// SPDX-License-Identifier: GPL-2.0+
2
+//
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+// h1940_uda1380.c - ALSA SoC Audio Layer
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+//
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+// Copyright (c) 2010 Arnaud Patard <arnaud.patard@rtp-net.org>
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+// Copyright (c) 2010 Vasily Khoruzhick <anarsoul@gmail.com>
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+//
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+// Based on version from Arnaud Patard <arnaud.patard@rtp-net.org>
159 
1610 #include <linux/types.h>
17
-#include <linux/gpio.h>
11
+#include <linux/gpio/consumer.h>
1812 #include <linux/module.h>
1913 
2014 #include <sound/soc.h>
2115 #include <sound/jack.h>
2216 
2317 #include "regs-iis.h"
24
-#include <asm/mach-types.h>
25
-
26
-#include <mach/gpio-samsung.h>
2718 #include "s3c24xx-i2s.h"
2819 
2920 static const unsigned int rates[] = {
....@@ -36,6 +27,8 @@
3627 	.count = ARRAY_SIZE(rates),
3728 	.list = rates,
3829 };
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+
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+static struct gpio_desc *gpiod_speaker_power;
3932 
4033 static struct snd_soc_jack hp_jack;
4134 
....@@ -53,7 +46,6 @@
5346 
5447 static struct snd_soc_jack_gpio hp_jack_gpios[] = {
5548 	{
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-		.gpio			= S3C2410_GPG(4),
5749 		.name			= "hp-gpio",
5850 		.report			= SND_JACK_HEADPHONE,
5951 		.invert			= 1,
....@@ -73,8 +65,8 @@
7365 static int h1940_hw_params(struct snd_pcm_substream *substream,
7466 				struct snd_pcm_hw_params *params)
7567 {
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-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
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-	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
7870 	int div;
7971 	int ret;
8072 	unsigned int rate = params_rate(params);
....@@ -129,9 +121,9 @@
129121 				struct snd_kcontrol *kcontrol, int event)
130122 {
131123 	if (SND_SOC_DAPM_EVENT_ON(event))
132
-		gpio_set_value(S3C_GPIO_END + 9, 1);
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+		gpiod_set_value(gpiod_speaker_power, 1);
133125 	else
134
-		gpio_set_value(S3C_GPIO_END + 9, 0);
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+		gpiod_set_value(gpiod_speaker_power, 0);
135127 
136128 	return 0;
137129 }
....@@ -157,8 +149,6 @@
157149 	{"VINM", NULL, "Mic Jack"},
158150 };
159151 
160
-static struct platform_device *s3c24xx_snd_device;
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-
162152 static int h1940_uda1380_init(struct snd_soc_pcm_runtime *rtd)
163153 {
164154 	snd_soc_card_jack_new(rtd->card, "Headphone Jack", SND_JACK_HEADPHONE,
....@@ -171,18 +161,20 @@
171161 }
172162 
173163 /* s3c24xx digital audio interface glue - connects codec <--> CPU */
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+SND_SOC_DAILINK_DEFS(uda1380,
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+	DAILINK_COMP_ARRAY(COMP_CPU("s3c24xx-iis")),
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+	DAILINK_COMP_ARRAY(COMP_CODEC("uda1380-codec.0-001a", "uda1380-hifi")),
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+	DAILINK_COMP_ARRAY(COMP_PLATFORM("s3c24xx-iis")));
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+
174169 static struct snd_soc_dai_link h1940_uda1380_dai[] = {
175170 	{
176171 		.name		= "uda1380",
177172 		.stream_name	= "UDA1380 Duplex",
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-		.cpu_dai_name	= "s3c24xx-iis",
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-		.codec_dai_name	= "uda1380-hifi",
180173 		.init		= h1940_uda1380_init,
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-		.platform_name	= "s3c24xx-iis",
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-		.codec_name	= "uda1380-codec.0-001a",
183174 		.dai_fmt	= SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
184175 				  SND_SOC_DAIFMT_CBS_CFS,
185176 		.ops		= &h1940_ops,
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+		SND_SOC_DAILINK_REG(uda1380),
186178 	},
187179 };
188180 
....@@ -198,55 +190,34 @@
198190 	.num_dapm_routes = ARRAY_SIZE(audio_map),
199191 };
200192 
201
-static int __init h1940_init(void)
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+static int h1940_probe(struct platform_device *pdev)
202194 {
203
-	int ret;
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+	struct device *dev = &pdev->dev;
204196 
205
-	if (!machine_is_h1940())
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-		return -ENODEV;
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+	h1940_asoc.dev = dev;
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+	hp_jack_gpios[0].gpiod_dev = dev;
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+	gpiod_speaker_power = devm_gpiod_get(&pdev->dev, "speaker-power",
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+					     GPIOD_OUT_LOW);
207201 
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-	/* configure some gpios */
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-	ret = gpio_request(S3C_GPIO_END + 9, "speaker-power");
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-	if (ret)
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-		goto err_out;
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-
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-	ret = gpio_direction_output(S3C_GPIO_END + 9, 0);
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-	if (ret)
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-		goto err_gpio;
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-
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-	s3c24xx_snd_device = platform_device_alloc("soc-audio", -1);
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-	if (!s3c24xx_snd_device) {
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-		ret = -ENOMEM;
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-		goto err_gpio;
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+	if (IS_ERR(gpiod_speaker_power)) {
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+		dev_err(dev, "Could not get gpio\n");
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+		return PTR_ERR(gpiod_speaker_power);
221205 	}
222206 
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-	platform_set_drvdata(s3c24xx_snd_device, &h1940_asoc);
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-	ret = platform_device_add(s3c24xx_snd_device);
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-
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-	if (ret)
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-		goto err_plat;
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-
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-	return 0;
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-
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-err_plat:
232
-	platform_device_put(s3c24xx_snd_device);
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-err_gpio:
234
-	gpio_free(S3C_GPIO_END + 9);
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-
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-err_out:
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-	return ret;
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+	return devm_snd_soc_register_card(dev, &h1940_asoc);
238208 }
239209 
240
-static void __exit h1940_exit(void)
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-{
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-	platform_device_unregister(s3c24xx_snd_device);
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-	gpio_free(S3C_GPIO_END + 9);
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-}
245
-
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-module_init(h1940_init);
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-module_exit(h1940_exit);
210
+static struct platform_driver h1940_audio_driver = {
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+	.driver = {
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+		.name = "h1940-audio",
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+		.pm = &snd_soc_pm_ops,
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+	},
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+	.probe = h1940_probe,
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+};
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+module_platform_driver(h1940_audio_driver);
248218 
249219 /* Module information */
250220 MODULE_AUTHOR("Arnaud Patard, Vasily Khoruzhick");
251221 MODULE_DESCRIPTION("ALSA SoC H1940");
252222 MODULE_LICENSE("GPL");
223
+MODULE_ALIAS("platform:h1940-audio");