ASoC: rt286: Make RT286_SET_GPIO_* readable and writable

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>
Link: https://lore.kernel.org/r/20210418134658.4333-5-david.ward@gatech.edu
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c
index f9b29782b62aea9f53a7da8d14556a1281f2d7b2..e16e7237156f9aba65b566692883e02d2aa41178 100644 (file)
--- 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):