diff options
| author | Charles Keepax <ckeepax@opensource.wolfsonmicro.com> | 2015-09-16 10:42:21 +0100 |
|---|---|---|
| committer | Chanwoo Choi <cw00.choi@samsung.com> | 2015-09-22 15:28:00 +0900 |
| commit | 6c20b934247875f41fe9bcc74072bb072b4f28d8 (patch) | |
| tree | 2186689a488dce236884162427b840ca9454020e /drivers/extcon | |
| parent | ff1cb0ed716304e9f7835ecc5f12ad580b0637ea (diff) | |
| download | lwn-6c20b934247875f41fe9bcc74072bb072b4f28d8.tar.gz lwn-6c20b934247875f41fe9bcc74072bb072b4f28d8.zip | |
extcon: arizona: Don't disable debounce for inverted jacks
Whilst the jack is connected we disable the jack detection debounce to
ensure as quick as possible a detection of jack removal. However, it is
only safe to disable the jack debounce whilst the jack is connected if
using the micd clamp or the jack is not inverted. Otherwise spurious
interrupts might be generated when we re-enable the debounce.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 9255c1f1f285..4479781ee941 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -1118,9 +1118,11 @@ static irqreturn_t arizona_jackdet(int irq, void *data) msecs_to_jiffies(HPDET_DEBOUNCE)); } - regmap_update_bits(arizona->regmap, - ARIZONA_JACK_DETECT_DEBOUNCE, - ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB, 0); + if (info->micd_clamp || !arizona->pdata.jd_invert) + regmap_update_bits(arizona->regmap, + ARIZONA_JACK_DETECT_DEBOUNCE, + ARIZONA_MICD_CLAMP_DB | + ARIZONA_JD1_DB, 0); } else { dev_dbg(arizona->dev, "Detected jack removal\n"); |