diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-01 20:04:43 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-02 12:53:55 +0200 |
| commit | 82e2e0fd3fcf2aec9d5796e31d7f29c738331f6b (patch) | |
| tree | e44c7da4fa707db02dcce619a2c8a98cf447ac4b /drivers/extcon | |
| parent | extcon: arizona: Allow pull to be disabled on GPIO5 when used for JACKET (diff) | |
| download | linux-82e2e0fd3fcf2aec9d5796e31d7f29c738331f6b.tar.xz linux-82e2e0fd3fcf2aec9d5796e31d7f29c738331f6b.zip | |
extcon: arizona: Raise minimum microphone impedance for HPDET method
Ensure greater reliability by increasing the minimum threashold for
identifying a microphone.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/extcon')
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 132bc99fdc06..2f0bd4938fcc 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -519,7 +519,7 @@ static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading) * measure the mic as high impedance. */ if ((info->hpdet_res[0] > info->hpdet_res[1] * 2) || - (id_gpio && info->hpdet_res[2] > 10)) { + (id_gpio && info->hpdet_res[2] > 1257)) { dev_dbg(arizona->dev, "Detected mic\n"); info->mic = true; info->detecting = true; |