diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-21 17:36:33 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-07 18:04:07 +0000 |
| commit | 2e033db5ddf299de2ae568919d78b0258a5a6423 (patch) | |
| tree | e5f156ede883eb09f6548792a84c2c81d0ecd46e | |
| parent | f9365d07dd5cb3c76b454b4c7827b2f6339cace2 (diff) | |
extcon: arizona: Support additional configuration of microphone detection
Allow systems to tune detection rate and debounce suitably for their
mechanical parameters.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | drivers/extcon/extcon-arizona.c | 12 | ||||
| -rw-r--r-- | include/linux/mfd/arizona/pdata.h | 6 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index ab8b9c7359f..d7e1047ad68 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -907,6 +907,18 @@ static int arizona_extcon_probe(struct platform_device *pdev) arizona->pdata.micd_bias_start_time << ARIZONA_MICD_BIAS_STARTTIME_SHIFT); + if (arizona->pdata.micd_rate) + regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, + ARIZONA_MICD_RATE_MASK, + arizona->pdata.micd_rate + << ARIZONA_MICD_RATE_SHIFT); + + if (arizona->pdata.micd_dbtime) + regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, + ARIZONA_MICD_DBTIME_MASK, + arizona->pdata.micd_dbtime + << ARIZONA_MICD_DBTIME_SHIFT); + /* * If we have a clamp use it, activating in conjunction with * GPIO5 if that is connected for jack detect operation. diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h index bcbe4fda87c..2f5f08e10b7 100644 --- a/include/linux/mfd/arizona/pdata.h +++ b/include/linux/mfd/arizona/pdata.h @@ -111,6 +111,12 @@ struct arizona_pdata { /** Mic detect ramp rate */ int micd_bias_start_time; + /** Mic detect sample rate */ + int micd_rate; + + /** Mic detect debounce level */ + int micd_dbtime; + /** Headset polarity configurations */ struct arizona_micd_config *micd_configs; int num_micd_configs; |