extcon: arizona: Enable basic headphone identification

Use the headphone detection to identify if the accessory is a headphone or
line load. There are two different revisions of the IP with different
register layouts, support both.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 088872ab6338..311cc3657b0b 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1106,6 +1106,8 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
         case ARIZONA_ACCESSORY_DETECT_MODE_1:
         case ARIZONA_HEADPHONE_DETECT_1:
         case ARIZONA_HEADPHONE_DETECT_2:
+        case ARIZONA_HP_DACVAL:
+        case ARIZONA_MICD_CLAMP_CONTROL:
         case ARIZONA_MIC_DETECT_1:
         case ARIZONA_MIC_DETECT_2:
         case ARIZONA_MIC_DETECT_3:
@@ -1875,6 +1877,7 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg)
         case ARIZONA_DSP1_STATUS_2:
         case ARIZONA_DSP1_STATUS_3:
         case ARIZONA_HEADPHONE_DETECT_2:
+        case ARIZONA_HP_DACVAL:
         case ARIZONA_MIC_DETECT_3:
                 return true;
         default: