diff options
author | Sebastian Reichel <sre@kernel.org> | 2014-04-28 16:07:24 +0200 |
---|---|---|
committer | Mark Brown <broonie@linaro.org> | 2014-05-01 10:54:34 -0700 |
commit | 386e81ab3b4d6f50064d0ce0b3d82a4ea9a26296 (patch) | |
tree | 61c3730712a964cc0754cc92bdc3f46c9c718271 /sound/soc/omap | |
parent | 0a17a37046dbd55204b00fee6e270c8008ace56b (diff) | |
download | linux-386e81ab3b4d6f50064d0ce0b3d82a4ea9a26296.tar.bz2 |
ASoC: omap: rx51: get GPIO numbers via gpiod API
Update the driver to get GPIO numbers from the
devm gpiod API instead of requesting hardcoded
GPIO numbers.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/omap')
-rw-r--r-- | sound/soc/omap/rx51.c | 114 |
1 files changed, 79 insertions, 35 deletions
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c index e140b1b2bdf1..30cfac023138 100644 --- a/sound/soc/omap/rx51.c +++ b/sound/soc/omap/rx51.c @@ -26,6 +26,7 @@ #include <linux/delay.h> #include <linux/gpio.h> #include <linux/platform_device.h> +#include <linux/gpio/consumer.h> #include <linux/module.h> #include <sound/core.h> #include <sound/jack.h> @@ -38,15 +39,6 @@ #include "omap-mcbsp.h" -#define RX51_TVOUT_SEL_GPIO 40 -#define RX51_JACK_DETECT_GPIO 177 -#define RX51_ECI_SW_GPIO 182 -/* - * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This - * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c - */ -#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7) - enum { RX51_JACK_DISABLED, RX51_JACK_TVOUT, /* tv-out with stereo output */ @@ -54,12 +46,21 @@ enum { RX51_JACK_HS, /* headset: stereo output with mic */ }; +struct rx51_audio_pdata { + struct gpio_desc *tvout_selection_gpio; + struct gpio_desc *jack_detection_gpio; + struct gpio_desc *eci_sw_gpio; + struct gpio_desc *speaker_amp_gpio; +}; + static int rx51_spk_func; static int rx51_dmic_func; static int rx51_jack_func; static void rx51_ext_control(struct snd_soc_dapm_context *dapm) { + struct snd_soc_card *card = dapm->card; + struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card); int hp = 0, hs = 0, tvout = 0; switch (rx51_jack_func) { @@ -93,7 +94,7 @@ static void rx51_ext_control(struct snd_soc_dapm_context *dapm) else snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic"); - gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout); + gpiod_set_value(pdata->tvout_selection_gpio, tvout); snd_soc_dapm_sync_unlocked(dapm); @@ -154,10 +155,12 @@ static int rx51_set_spk(struct snd_kcontrol *kcontrol, static int rx51_spk_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { - if (SND_SOC_DAPM_EVENT_ON(event)) - gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1); - else - gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0); + struct snd_soc_dapm_context *dapm = w->dapm; + struct snd_soc_card *card = dapm->card; + struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card); + + gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio, + !!SND_SOC_DAPM_EVENT_ON(event)); return 0; } @@ -223,7 +226,6 @@ static struct snd_soc_jack rx51_av_jack; static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = { { - .gpio = RX51_JACK_DETECT_GPIO, .name = "avdet-gpio", .report = SND_JACK_HEADSET, .invert = 1, @@ -284,6 +286,9 @@ static const struct snd_kcontrol_new aic34_rx51_controls[] = { static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; + struct snd_soc_card *card = codec->card; + struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card); + struct snd_soc_dapm_context *dapm = &codec->dapm; int err; @@ -307,6 +312,11 @@ static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd) &rx51_av_jack); if (err) return err; + + /* prepare gpio for snd_soc_jack_add_gpios */ + rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio); + devm_gpiod_put(card->dev, pdata->jack_detection_gpio); + err = snd_soc_jack_add_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios), rx51_av_jack_gpios); @@ -365,37 +375,74 @@ static struct snd_soc_card rx51_sound_card = { static int rx51_soc_probe(struct platform_device *pdev) { + struct rx51_audio_pdata *pdata; struct snd_soc_card *card = &rx51_sound_card; int err; if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900")) return -ENODEV; - err = gpio_request_one(RX51_TVOUT_SEL_GPIO, - GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel"); - if (err) - goto err_gpio_tvout_sel; - err = gpio_request_one(RX51_ECI_SW_GPIO, - GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw"); - if (err) - goto err_gpio_eci_sw; - card->dev = &pdev->dev; + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (pdata == NULL) { + dev_err(card->dev, "failed to create private data\n"); + return -ENOMEM; + } + snd_soc_card_set_drvdata(card, pdata); + + pdata->tvout_selection_gpio = devm_gpiod_get(card->dev, + "tvout-selection"); + if (IS_ERR(pdata->tvout_selection_gpio)) { + dev_err(card->dev, "could not get tvout selection gpio\n"); + return PTR_ERR(pdata->tvout_selection_gpio); + } + + err = gpiod_direction_output(pdata->tvout_selection_gpio, 0); + if (err) { + dev_err(card->dev, "could not setup tvout selection gpio\n"); + return err; + } + + pdata->jack_detection_gpio = devm_gpiod_get(card->dev, + "jack-detection"); + if (IS_ERR(pdata->jack_detection_gpio)) { + dev_err(card->dev, "could not get jack detection gpio\n"); + return PTR_ERR(pdata->jack_detection_gpio); + } + + pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch"); + if (IS_ERR(pdata->eci_sw_gpio)) { + dev_err(card->dev, "could not get eci switch gpio\n"); + return PTR_ERR(pdata->eci_sw_gpio); + } + + err = gpiod_direction_output(pdata->eci_sw_gpio, 1); + if (err) { + dev_err(card->dev, "could not setup eci switch gpio\n"); + return err; + } + + pdata->speaker_amp_gpio = devm_gpiod_get(card->dev, + "speaker-amplifier"); + if (IS_ERR(pdata->speaker_amp_gpio)) { + dev_err(card->dev, "could not get speaker enable gpio\n"); + return PTR_ERR(pdata->speaker_amp_gpio); + } + + err = gpiod_direction_output(pdata->speaker_amp_gpio, 0); + if (err) { + dev_err(card->dev, "could not setup speaker enable gpio\n"); + return err; + } + err = devm_snd_soc_register_card(card->dev, card); if (err) { dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err); - goto err_snd; + return err; } return 0; -err_snd: - gpio_free(RX51_ECI_SW_GPIO); -err_gpio_eci_sw: - gpio_free(RX51_TVOUT_SEL_GPIO); -err_gpio_tvout_sel: - - return err; } static int rx51_soc_remove(struct platform_device *pdev) @@ -403,9 +450,6 @@ static int rx51_soc_remove(struct platform_device *pdev) snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios), rx51_av_jack_gpios); - gpio_free(RX51_ECI_SW_GPIO); - gpio_free(RX51_TVOUT_SEL_GPIO); - return 0; } |