diff options
Diffstat (limited to 'sound/soc/tegra')
| -rw-r--r-- | sound/soc/tegra/harmony.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sound/soc/tegra/harmony.c b/sound/soc/tegra/harmony.c index 2d6a15c6bdfe..0f5a48150930 100644 --- a/sound/soc/tegra/harmony.c +++ b/sound/soc/tegra/harmony.c @@ -33,6 +33,9 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/gpio.h> + +#include <mach/harmony_audio.h> #include <sound/core.h> #include <sound/pcm.h> @@ -48,6 +51,8 @@ #define PREFIX DRV_NAME ": " struct tegra_harmony { + struct harmony_audio_platform_data *pdata; + int gpio_spkr_en_requested; }; static int harmony_asoc_hw_params(struct snd_pcm_substream *substream, @@ -113,7 +118,22 @@ static struct snd_soc_ops harmony_asoc_ops = { .hw_params = harmony_asoc_hw_params, }; +static int harmony_event_int_spk(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_codec *codec = w->codec; + struct snd_soc_card *card = codec->card; + struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); + struct harmony_audio_platform_data *pdata = harmony->pdata; + + gpio_set_value_cansleep(pdata->gpio_spkr_en, + !!SND_SOC_DAPM_EVENT_ON(event)); + + return 0; +} + static const struct snd_soc_dapm_widget harmony_dapm_widgets[] = { + SND_SOC_DAPM_SPK("Int Spk", harmony_event_int_spk), SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Mic Jack", NULL), }; @@ -121,6 +141,10 @@ static const struct snd_soc_dapm_widget harmony_dapm_widgets[] = { static const struct snd_soc_dapm_route harmony_audio_map[] = { {"Headphone Jack", NULL, "HPOUTR"}, {"Headphone Jack", NULL, "HPOUTL"}, + {"Int Spk", NULL, "ROP"}, + {"Int Spk", NULL, "RON"}, + {"Int Spk", NULL, "LOP"}, + {"Int Spk", NULL, "LON"}, {"Mic Bias", NULL, "Mic Jack"}, {"IN1L", NULL, "Mic Bias"}, }; @@ -129,6 +153,19 @@ static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; + struct snd_soc_card *card = codec->card; + struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); + struct harmony_audio_platform_data *pdata = harmony->pdata; + int ret; + + ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); + if (ret) { + dev_err(card->dev, "cannot get spkr_en gpio\n"); + return ret; + } + harmony->gpio_spkr_en_requested = 1; + + gpio_direction_output(pdata->gpio_spkr_en, 0); snd_soc_dapm_new_controls(dapm, harmony_dapm_widgets, ARRAY_SIZE(harmony_dapm_widgets)); @@ -137,6 +174,7 @@ static int harmony_asoc_init(struct snd_soc_pcm_runtime *rtd) ARRAY_SIZE(harmony_audio_map)); snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); + snd_soc_dapm_enable_pin(dapm, "Int Spk"); snd_soc_dapm_enable_pin(dapm, "Mic Jack"); snd_soc_dapm_sync(dapm); @@ -164,6 +202,7 @@ static __devinit int tegra_snd_harmony_probe(struct platform_device *pdev) { struct snd_soc_card *card = &snd_soc_harmony; struct tegra_harmony *harmony; + struct harmony_audio_platform_data *pdata; int ret; if (!machine_is_harmony()) { @@ -171,12 +210,20 @@ static __devinit int tegra_snd_harmony_probe(struct platform_device *pdev) return -ENODEV; } + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "no platform data supplied\n"); + return -EINVAL; + } + harmony = kzalloc(sizeof(struct tegra_harmony), GFP_KERNEL); if (!harmony) { dev_err(&pdev->dev, "Can't allocate tegra_harmony\n"); return -ENOMEM; } + harmony->pdata = pdata; + ret = tegra_asoc_utils_init(); if (ret) goto err_free_harmony; @@ -208,6 +255,7 @@ static int __devexit tegra_snd_harmony_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct tegra_harmony *harmony = snd_soc_card_get_drvdata(card); + struct harmony_audio_platform_data *pdata = harmony->pdata; snd_soc_unregister_card(card); @@ -217,6 +265,9 @@ static int __devexit tegra_snd_harmony_remove(struct platform_device *pdev) tegra_asoc_utils_fini(); + if (harmony->gpio_spkr_en_requested) + gpio_free(pdata->gpio_spkr_en); + kfree(harmony); return 0; |