This device can optionally detect headset or microphone button presses. Add support for this by passing this event to the jack layer.
Signed-off-by: Andrew F. Davis afd@ti.com --- sound/soc/codecs/tlv320aic31xx.c | 17 +++++++++++++++-- sound/soc/codecs/tlv320aic31xx.h | 3 ++- 2 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index 0e57c7bbbabb..e6e139aecc44 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1380,10 +1380,21 @@ static irqreturn_t aic31xx_irq(int irq, void *data) dev_err(dev, "Short circuit on Left output is detected\n"); if (value & AIC31XX_HPRSCDETECT) dev_err(dev, "Short circuit on Right output is detected\n"); - if (value & AIC31XX_HSPLUG) { + if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) { unsigned int val; int status = 0;
+ ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2, + &val); + if (ret) { + dev_err(dev, "Failed to read interrupt mask: %d\n", + ret); + goto exit; + } + + if (val & AIC31XX_BUTTONPRESS) + status |= SND_JACK_BTN_0; + ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val); if (ret) { dev_err(dev, "Failed to read headset type: %d\n", ret); @@ -1408,7 +1419,8 @@ static irqreturn_t aic31xx_irq(int irq, void *data) } if (value & ~(AIC31XX_HPLSCDETECT | AIC31XX_HPRSCDETECT | - AIC31XX_HSPLUG)) + AIC31XX_HSPLUG | + AIC31XX_BUTTONPRESS)) dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
read_overflow: @@ -1522,6 +1534,7 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c,
regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL, AIC31XX_HSPLUGDET | + AIC31XX_BUTTONPRESSDET | AIC31XX_SC | AIC31XX_ENGINE);
diff --git a/sound/soc/codecs/tlv320aic31xx.h b/sound/soc/codecs/tlv320aic31xx.h index 9985ceed97ae..cb024955c978 100644 --- a/sound/soc/codecs/tlv320aic31xx.h +++ b/sound/soc/codecs/tlv320aic31xx.h @@ -21,7 +21,8 @@ #define DAC31XX_BIT BIT(3)
#define AIC31XX_JACK_MASK (SND_JACK_HEADPHONE | \ - SND_JACK_HEADSET) + SND_JACK_HEADSET | \ + SND_JACK_BTN_0)
enum aic31xx_type { AIC3100 = 0,