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 --- sound/soc/omap/sdp3430.c | 31 ++++++++++++++++++++++++++++++- 1 files changed, 30 insertions(+), 1 deletions(-)
diff --git a/sound/soc/omap/sdp3430.c b/sound/soc/omap/sdp3430.c index 7a996d9..7695675 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> @@ -141,6 +142,18 @@ static int sdp3430_twl4030_init(struct snd_soc_codec *codec) return ret; }
+/* Jack detection */ +struct snd_soc_jack *sdp3430_jack; + +struct snd_soc_jack_pin sdp3430_jack_pins[] = { + { + .pin = "Headset Jack", + .mask = SND_JACK_HEADSET, + .invert = 0, + .gpio = (OMAP_MAX_GPIO_LINES + 2), + }, +}; + /* Digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link sdp3430_dai = { .name = "TWL4030", @@ -191,7 +204,23 @@ static int __init sdp3430_soc_init(void) if (ret) goto err1;
- return 0; + /* Jack detection */ + sdp3430_jack = kzalloc(sizeof(struct snd_soc_jack), GFP_KERNEL); + if (!sdp3430_jack) { + printk(KERN_ERR "SDP3430 SoC Jack allocation failed\n"); + return -ENOMEM; + } + + snd_soc_jack_new(&snd_soc_sdp3430, "SDP3430 SoC Jack", + SND_JACK_HEADSET, sdp3430_jack); + if (ret) + return ret; + + ret = snd_soc_jack_add_pins(sdp3430_jack, + ARRAY_SIZE(sdp3430_jack_pins), + sdp3430_jack_pins); + + return ret;
err1: printk(KERN_ERR "Unable to add platform device\n");