The GPIO configuration cannot be applied if the registers are inaccessible. This prevented the headset mic from working on the Dell XPS 13 9343.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=114171 Signed-off-by: David Ward david.ward@gatech.edu --- sound/soc/codecs/rt286.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index 67a5affdb705..45e4a48ef5bf 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -171,6 +171,9 @@ static bool rt286_readable_register(struct device *dev, unsigned int reg) case RT286_PROC_COEF: case RT286_SET_AMP_GAIN_ADC_IN1: case RT286_SET_AMP_GAIN_ADC_IN2: + case RT286_SET_GPIO_MASK: + case RT286_SET_GPIO_DIRECTION: + case RT286_SET_GPIO_DATA: case RT286_SET_POWER(RT286_DAC_OUT1): case RT286_SET_POWER(RT286_DAC_OUT2): case RT286_SET_POWER(RT286_ADC_IN1):