diff options
| author |   Lopez Cruz, Misael <x0052729@ti.com> | 2009-03-05 11:32:31 -0600 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-03-06 13:37:17 +0000 |
| commit | de0b988828a45f4fefc96ff2fbed3ba2184319b9 (patch) | |
| tree | 74189b2fa8dedda64397b65e6d900eef526c8913 /sound/soc | |
| parent | ASoC: add support for SSI asynchronous mode to the Freescale SSI drivers (diff) | |
| download | linux-dev-de0b988828a45f4fefc96ff2fbed3ba2184319b9.tar.xz linux-dev-de0b988828a45f4fefc96ff2fbed3ba2184319b9.zip | |
ASoC: Add headset jack detection for SDP3430 machine driver
Add headset jack detection for SDP3430 boards using SoC jack
reporting interface. Headset detection on SDP3430 board is
achieved through TWL4030 GPIO_2 pin.
Signed-off-by: Misael Lopez Cruz <x0052729@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/omap/sdp3430.c | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c index 4eab4b491dee..715c648203a4 100644 --- a/sound/soc/omap/sdp3430.c +++ b/sound/soc/omap/sdp3430.c @@ -28,6 +28,7 @@ #include <sound/pcm.h> #include <sound/soc.h> #include <sound/soc-dapm.h> +#include <sound/jack.h> #include <asm/mach-types.h> #include <mach/hardware.h> @@ -122,7 +123,7 @@ static int sdp3430_twl4030_init(struct snd_soc_codec *codec) /* SDP3430 connected pins */ snd_soc_dapm_enable_pin(codec, "Ext Mic"); snd_soc_dapm_enable_pin(codec, "Ext Spk"); - snd_soc_dapm_enable_pin(codec, "Headset Jack"); + snd_soc_dapm_disable_pin(codec, "Headset Jack"); /* TWL4030 not connected pins */ snd_soc_dapm_nc_pin(codec, "AUXL"); @@ -144,6 +145,27 @@ static int sdp3430_twl4030_init(struct snd_soc_codec *codec) return ret; } +/* Headset jack */ +static struct snd_soc_jack hs_jack; + +/* Headset jack detection DAPM pins */ +static struct snd_soc_jack_pin hs_jack_pins[] = { + { + .pin = "Headset Jack", + .mask = SND_JACK_HEADSET, + }, +}; + +/* Headset jack detection gpios */ +static struct snd_soc_jack_gpio hs_jack_gpios[] = { + { + .gpio = (OMAP_MAX_GPIO_LINES + 2), + .name = "hsdet-gpio", + .report = SND_JACK_HEADSET, + .debounce_time = 200, + }, +}; + /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link sdp3430_dai = { .name = "TWL4030", @@ -194,7 +216,21 @@ static int __init sdp3430_soc_init(void) if (ret) goto err1; - return 0; + /* Headset jack detection */ + ret = snd_soc_jack_new(&snd_soc_sdp3430, "SDP3430 headset jack", + SND_JACK_HEADSET, &hs_jack); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(&hs_jack, ARRAY_SIZE(hs_jack_pins), + hs_jack_pins); + if (ret) + return ret; + + ret = snd_soc_jack_add_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + + return ret; err1: printk(KERN_ERR "Unable to add platform device\n"); @@ -206,6 +242,9 @@ module_init(sdp3430_soc_init); static void __exit sdp3430_soc_exit(void) { + snd_soc_jack_free_gpios(&hs_jack, ARRAY_SIZE(hs_jack_gpios), + hs_jack_gpios); + platform_device_unregister(sdp3430_snd_device); } module_exit(sdp3430_soc_exit); |