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Message-ID: <20171207153900.9831-11-afd@ti.com> Date: Thu, 7 Dec 2017 09:39:00 -0600 From: "Andrew F. Davis" <afd@...com> To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org> CC: <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>, "Andrew F . Davis" <afd@...com> Subject: [PATCH v3 10/10] ASoC: tlv320aic31xx: Add button press detection 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@...com> --- sound/soc/codecs/tlv320aic31xx.c | 14 +++++++++++++- sound/soc/codecs/tlv320aic31xx.h | 3 ++- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index fef402e0f9e8..8f5dec414628 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1290,9 +1290,20 @@ static irqreturn_t aic31xx_irq(int irq, void *data) 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)) { int status = 0; + ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2, + &value); + if (ret) { + dev_err(dev, "Failed to read interrupt mask: %d\n", + ret); + return IRQ_NONE; + } + + if (value & AIC31XX_BUTTONPRESS) + status |= SND_JACK_BTN_0; + ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &value); if (ret) { dev_err(dev, "Failed to read headset type: %d\n", ret); @@ -1405,6 +1416,7 @@ 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 66c85df4d5be..7fce278eadac 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, -- 2.15.0
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