[PATCH 4.14 258/323] ASoC: rt286: Make RT286_SET_GPIO_* readable and writable

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From: David Ward <david.ward@xxxxxxxxxx>

[ Upstream commit cd8499d5c03ba260e3191e90236d0e5f6b147563 ]

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@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210418134658.4333-5-david.ward@xxxxxxxxxx
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 17a66b4a46a2..ce3865a8ddc2 100644
--- a/sound/soc/codecs/rt286.c
+++ b/sound/soc/codecs/rt286.c
@@ -174,6 +174,9 @@ 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):
-- 
2.30.2






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