extcon: arizona: Add support for general purpose switch

The switch is typically used in conjunction with the MICDET clamp in
order to suppress pops and clicks associated with jack insertion.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index f213e14ff93fa1dfea41056497ad123073f627f7..d719ee7246511be5293646f6397351efc5485d67 100644 (file)
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -1310,6 +1310,10 @@ static int arizona_extcon_probe(struct platform_device *pdev)
                info->micd_num_modes = ARRAY_SIZE(micd_default_modes);
        }
 
+       if (arizona->pdata.gpsw > 0)
+               regmap_update_bits(arizona->regmap, ARIZONA_GP_SWITCH_1,
+                               ARIZONA_SW1_MODE_MASK, arizona->pdata.gpsw);
+
        if (arizona->pdata.micd_pol_gpio > 0) {
                if (info->micd_modes[0].gpio)
                        mode = GPIOF_OUT_INIT_HIGH;