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extcon: arizona: Fix headphone clamping on wm5110

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wm5110 requires slightly different configuration of the headphone
clamps to other Arizona devices. Otherwise headphone detection accuracy
will be way off. This patch adds the needed clamping.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Charles Keepax 2015-02-16 15:41:03 +00:00 committed by Chanwoo Choi
parent 112bdfaa52
commit 43f0acd961
1 changed files with 18 additions and 5 deletions
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23
drivers/extcon/extcon-arizona.c
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@ -140,11 +140,24 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
bool clamp)
{
struct arizona *arizona = info->arizona;
unsigned int val = 0;
unsigned int mask = 0, val = 0;
int ret;
if (clamp)
val = ARIZONA_RMV_SHRT_HP1L;
switch (arizona->type) {
case WM5110:
mask = ARIZONA_HP1L_SHRTO | ARIZONA_HP1L_FLWR |
ARIZONA_HP1L_SHRTI;
if (clamp)
val = ARIZONA_HP1L_SHRTO;
else
val = ARIZONA_HP1L_FLWR | ARIZONA_HP1L_SHRTI;
break;
default:
mask = ARIZONA_RMV_SHRT_HP1L;
if (clamp)
val = ARIZONA_RMV_SHRT_HP1L;
break;
};
mutex_lock(&arizona->dapm->card->dapm_mutex);
@ -163,13 +176,13 @@ static void arizona_extcon_hp_clamp(struct arizona_extcon_info *info,
}
ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1L,
ARIZONA_RMV_SHRT_HP1L, val);
mask, val);
if (ret != 0)
dev_warn(arizona->dev, "Failed to do clamp: %d\n",
ret);
ret = regmap_update_bits(arizona->regmap, ARIZONA_HP_CTRL_1R,
ARIZONA_RMV_SHRT_HP1R, val);
mask, val);
if (ret != 0)
dev_warn(arizona->dev, "Failed to do clamp: %d\n",
ret);