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ASoC: tlv320aic31xx: Add button press detection

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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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andrew F. Davis 2019-04-01 10:13:29 -05:00 committed by Mark Brown
parent ebf3326cd9
commit 90f0202bf2
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GPG Key ID: 24D68B725D5487D0
2 changed files with 17 additions and 3 deletions
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17
sound/soc/codecs/tlv320aic31xx.c
View File

@ -1423,10 +1423,21 @@ 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);
@ -1451,7 +1462,8 @@ 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:
@ -1564,6 +1576,7 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c,
regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
AIC31XX_HSPLUGDET |
AIC31XX_BUTTONPRESSDET |
AIC31XX_SC |
AIC31XX_ENGINE);

3
sound/soc/codecs/tlv320aic31xx.h
View File

@ -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,