From: Arnd Bergmann arnd@arndb.de
Avoid machine specific headers by using a gpio lookup table combined with a platform_driver for this board.
Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Krzysztof Kozlowski krzk@kernel.org --- arch/arm/mach-s3c24xx/mach-rx1950.c | 16 +++++++ sound/soc/samsung/rx1950_uda1380.c | 72 +++++++++-------------------- 2 files changed, 39 insertions(+), 49 deletions(-)
diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c index 65440c39500e..a5461b2227bd 100644 --- a/arch/arm/mach-s3c24xx/mach-rx1950.c +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -727,6 +727,20 @@ static struct i2c_board_info rx1950_i2c_devices[] = { }, };
+static struct gpiod_lookup_table rx1950_audio_gpio_table = { + .dev_id = "rx1950-audio", + .table = { + GPIO_LOOKUP("GPIOG", 12, "hp-gpio", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("GPIOA", 1, "speaker-power", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct platform_device rx1950_audio = { + .name = "rx1950-audio", + .id = -1, +}; + static struct platform_device *rx1950_devices[] __initdata = { &s3c2410_device_dclk, &s3c_device_lcd, @@ -745,6 +759,7 @@ static struct platform_device *rx1950_devices[] __initdata = { &power_supply, &rx1950_battery, &rx1950_leds, + &rx1950_audio, };
static void __init rx1950_map_io(void) @@ -812,6 +827,7 @@ static void __init rx1950_init_machine(void) gpio_direction_output(S3C2410_GPJ(6), 0);
pwm_add_table(rx1950_pwm_lookup, ARRAY_SIZE(rx1950_pwm_lookup)); + gpiod_add_lookup_table(&rx1950_audio_gpio_table); platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
i2c_register_board_info(0, rx1950_i2c_devices, diff --git a/sound/soc/samsung/rx1950_uda1380.c b/sound/soc/samsung/rx1950_uda1380.c index 08f7c82aedb6..400a7f77c711 100644 --- a/sound/soc/samsung/rx1950_uda1380.c +++ b/sound/soc/samsung/rx1950_uda1380.c @@ -12,16 +12,13 @@ // Vasily Khoruzhick anarsoul@gmail.com
#include <linux/types.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/module.h>
#include <sound/soc.h> #include <sound/jack.h>
-#include <mach/gpio-samsung.h> #include "regs-iis.h" -#include <asm/mach-types.h> - #include "s3c24xx-i2s.h"
static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd); @@ -58,7 +55,6 @@ static struct snd_soc_jack_pin hp_jack_pins[] = {
static struct snd_soc_jack_gpio hp_jack_gpios[] = { [0] = { - .gpio = S3C2410_GPG(12), .name = "hp-gpio", .report = SND_JACK_HEADPHONE, .invert = 1, @@ -123,8 +119,6 @@ static struct snd_soc_card rx1950_asoc = { .num_dapm_routes = ARRAY_SIZE(audio_map), };
-static struct platform_device *s3c24xx_snd_device; - static int rx1950_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; @@ -134,13 +128,15 @@ static int rx1950_startup(struct snd_pcm_substream *substream) &hw_rates); }
+struct gpio_desc *gpiod_speaker_power; + static int rx1950_spk_power(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { if (SND_SOC_DAPM_EVENT_ON(event)) - gpio_set_value(S3C2410_GPA(1), 1); + gpiod_set_value(gpiod_speaker_power, 1); else - gpio_set_value(S3C2410_GPA(1), 0); + gpiod_set_value(gpiod_speaker_power, 0);
return 0; } @@ -214,57 +210,35 @@ static int rx1950_uda1380_init(struct snd_soc_pcm_runtime *rtd) return 0; }
-static int __init rx1950_init(void) +static int rx1950_probe(struct platform_device *pdev) { - int ret; - - if (!machine_is_rx1950()) - return -ENODEV; + struct device *dev = &pdev->dev;
/* configure some gpios */ - ret = gpio_request(S3C2410_GPA(1), "speaker-power"); - if (ret) - goto err_gpio; - - ret = gpio_direction_output(S3C2410_GPA(1), 0); - if (ret) - goto err_gpio_conf; - - s3c24xx_snd_device = platform_device_alloc("soc-audio", -1); - if (!s3c24xx_snd_device) { - ret = -ENOMEM; - goto err_plat_alloc; - } - - platform_set_drvdata(s3c24xx_snd_device, &rx1950_asoc); - ret = platform_device_add(s3c24xx_snd_device); - - if (ret) { - platform_device_put(s3c24xx_snd_device); - goto err_plat_add; + gpiod_speaker_power = devm_gpiod_get(dev, "speaker-power", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_speaker_power)) { + dev_err(dev, "cannot get gpio\n"); + return PTR_ERR(gpiod_speaker_power); }
- return 0; - -err_plat_add: -err_plat_alloc: -err_gpio_conf: - gpio_free(S3C2410_GPA(1)); + hp_jack_gpios[0].gpiod_dev = dev; + rx1950_asoc.dev = dev;
-err_gpio: - return ret; + return devm_snd_soc_register_card(dev, &rx1950_asoc); }
-static void __exit rx1950_exit(void) -{ - platform_device_unregister(s3c24xx_snd_device); - gpio_free(S3C2410_GPA(1)); -} +struct platform_driver rx1950_audio = { + .driver = { + .name = "rx1950-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = rx1950_probe, +};
-module_init(rx1950_init); -module_exit(rx1950_exit); +module_platform_driver(rx1950_audio);
/* Module information */ MODULE_AUTHOR("Vasily Khoruzhick"); MODULE_DESCRIPTION("ALSA SoC RX1950"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:rx1950-audio");