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-gta02.c | 17 ++++++ sound/soc/samsung/neo1973_wm8753.c | 85 +++++++++--------------------- 2 files changed, 43 insertions(+), 59 deletions(-)
diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c index 346a158f9960..46a80fae7056 100644 --- a/arch/arm/mach-s3c24xx/mach-gta02.c +++ b/arch/arm/mach-s3c24xx/mach-gta02.c @@ -15,6 +15,7 @@ #include <linux/delay.h> #include <linux/timer.h> #include <linux/init.h> +#include <linux/gpio/machine.h> #include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/workqueue.h> @@ -472,6 +473,20 @@ static struct platform_device gta02_buttons_device = { }, };
+static struct gpiod_lookup_table gta02_audio_gpio_table = { + .dev_id = "neo1973-audio", + .table = { + GPIO_LOOKUP("GPIOJ", 2, "amp-shut", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("GPIOJ", 1, "hp", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct platform_device gta02_audio = { + .name = "neo1973-audio", + .id = -1, +}; + static void __init gta02_map_io(void) { s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); @@ -496,6 +511,7 @@ static struct platform_device *gta02_devices[] __initdata = { >a02_buttons_device, &s3c_device_adc, &s3c_device_ts, + >a02_audio, };
static void gta02_poweroff(void) @@ -522,6 +538,7 @@ static void __init gta02_machine_init(void)
i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
+ gpiod_add_lookup_table(>a02_audio_gpio_table); platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); pm_power_off = gta02_poweroff;
diff --git a/sound/soc/samsung/neo1973_wm8753.c b/sound/soc/samsung/neo1973_wm8753.c index 54317e0f68f8..9266070e0181 100644 --- a/sound/soc/samsung/neo1973_wm8753.c +++ b/sound/soc/samsung/neo1973_wm8753.c @@ -11,14 +11,11 @@
#include <linux/module.h> #include <linux/platform_device.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h>
#include <sound/soc.h>
-#include <mach/gpio-samsung.h> -#include <asm/mach-types.h> #include "regs-iis.h" - #include "../codecs/wm8753.h" #include "s3c24xx-i2s.h"
@@ -166,6 +163,7 @@ static struct snd_soc_ops neo1973_voice_ops = { .hw_free = neo1973_voice_hw_free, };
+static struct gpio_desc *gpiod_hp_in, *gpiod_amp_shut; static int gta02_speaker_enabled;
static int lm4853_set_spk(struct snd_kcontrol *kcontrol, @@ -173,7 +171,7 @@ static int lm4853_set_spk(struct snd_kcontrol *kcontrol, { gta02_speaker_enabled = ucontrol->value.integer.value[0];
- gpio_set_value(S3C2410_GPJ(2), !gta02_speaker_enabled); + gpiod_set_value(gpiod_hp_in, !gta02_speaker_enabled);
return 0; } @@ -188,7 +186,7 @@ static int lm4853_get_spk(struct snd_kcontrol *kcontrol, static int lm4853_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - gpio_set_value(S3C2410_GPJ(1), SND_SOC_DAPM_EVENT_OFF(event)); + gpiod_set_value(gpiod_amp_shut, SND_SOC_DAPM_EVENT_OFF(event));
return 0; } @@ -308,13 +306,8 @@ static struct snd_soc_codec_conf neo1973_codec_conf[] = { }, };
-static const struct gpio neo1973_gta02_gpios[] = { - { S3C2410_GPJ(2), GPIOF_OUT_INIT_HIGH, "GTA02_HP_IN" }, - { S3C2410_GPJ(1), GPIOF_OUT_INIT_HIGH, "GTA02_AMP_SHUT" }, -}; - static struct snd_soc_card neo1973 = { - .name = "neo1973", + .name = "neo1973gta02", .owner = THIS_MODULE, .dai_link = neo1973_dai, .num_links = ARRAY_SIZE(neo1973_dai), @@ -332,62 +325,36 @@ static struct snd_soc_card neo1973 = { .fully_routed = true, };
-static struct platform_device *neo1973_snd_device; - -static int __init neo1973_init(void) +static int neo1973_probe(struct platform_device *pdev) { - int ret; - - if (!machine_is_neo1973_gta02()) - return -ENODEV; + struct device *dev = &pdev->dev;
- if (machine_is_neo1973_gta02()) { - neo1973.name = "neo1973gta02"; - neo1973.num_aux_devs = 1; - - ret = gpio_request_array(neo1973_gta02_gpios, - ARRAY_SIZE(neo1973_gta02_gpios)); - if (ret) - return ret; + gpiod_hp_in = devm_gpiod_get(dev, "hp", GPIOD_OUT_HIGH); + if (IS_ERR(gpiod_hp_in)) { + dev_err(dev, "missing gpio %s\n", "hp"); + return PTR_ERR(gpiod_hp_in); } - - neo1973_snd_device = platform_device_alloc("soc-audio", -1); - if (!neo1973_snd_device) { - ret = -ENOMEM; - goto err_gpio_free; + gpiod_amp_shut = devm_gpiod_get(dev, "amp-shut", GPIOD_OUT_HIGH); + if (IS_ERR(gpiod_amp_shut)) { + dev_err(dev, "missing gpio %s\n", "amp-shut"); + return PTR_ERR(gpiod_amp_shut); }
- platform_set_drvdata(neo1973_snd_device, &neo1973); - ret = platform_device_add(neo1973_snd_device); - - if (ret) - goto err_put_device; - - return 0; - -err_put_device: - platform_device_put(neo1973_snd_device); -err_gpio_free: - if (machine_is_neo1973_gta02()) { - gpio_free_array(neo1973_gta02_gpios, - ARRAY_SIZE(neo1973_gta02_gpios)); - } - return ret; + neo1973.dev = dev; + return devm_snd_soc_register_card(dev, &neo1973); } -module_init(neo1973_init); - -static void __exit neo1973_exit(void) -{ - platform_device_unregister(neo1973_snd_device);
- if (machine_is_neo1973_gta02()) { - gpio_free_array(neo1973_gta02_gpios, - ARRAY_SIZE(neo1973_gta02_gpios)); - } -} -module_exit(neo1973_exit); +struct platform_driver neo1973_audio = { + .driver = { + .name = "neo1973-audio", + .pm = &snd_soc_pm_ops, + }, + .probe = neo1973_probe, +}; +module_platform_driver(neo1973_audio);
/* Module information */ MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973 and Frerunner"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:neo1973-audio");