[PATCH 16/16] extcon: arizona: Make mic detection timeout configurable

From: Mark Brown
Date: Tue Apr 02 2013 - 07:33:49 EST


Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
drivers/extcon/extcon-arizona.c | 13 ++++++++++---
include/linux/mfd/arizona/pdata.h | 3 +++
2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index c7f8eb4..7a1b4a7 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -42,7 +42,7 @@
#define ARIZONA_HPDET_MAX 10000

#define HPDET_DEBOUNCE 500
-#define MICD_TIMEOUT 2000
+#define DEFAULT_MICD_TIMEOUT 2000

struct arizona_extcon_info {
struct device *dev;
@@ -60,6 +60,8 @@ struct arizona_extcon_info {
const struct arizona_micd_range *micd_ranges;
int num_micd_ranges;

+ int micd_timeout;
+
bool micd_reva;
bool micd_clamp;

@@ -889,7 +891,7 @@ static void arizona_micd_detect(struct work_struct *work)
handled:
if (info->detecting)
schedule_delayed_work(&info->micd_timeout_work,
- msecs_to_jiffies(MICD_TIMEOUT));
+ msecs_to_jiffies(info->micd_timeout));

pm_runtime_mark_last_busy(info->dev);
mutex_unlock(&info->lock);
@@ -970,7 +972,7 @@ static irqreturn_t arizona_jackdet(int irq, void *data)

if (cancelled_mic)
schedule_delayed_work(&info->micd_timeout_work,
- msecs_to_jiffies(MICD_TIMEOUT));
+ msecs_to_jiffies(info->micd_timeout));

goto out;
}
@@ -1027,6 +1029,11 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB);
}

+ if (arizona->pdata.micd_timeout)
+ info->micd_timeout = arizona->pdata.micd_timeout;
+ else
+ info->micd_timeout = DEFAULT_MICD_TIMEOUT;
+
/* Clear trig_sts to make sure DCVDD is not forced up */
regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG,
ARIZONA_MICD_CLAMP_FALL_TRIG_STS |
diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h
index 3ef300b..a0f9409 100644
--- a/include/linux/mfd/arizona/pdata.h
+++ b/include/linux/mfd/arizona/pdata.h
@@ -149,6 +149,9 @@ struct arizona_pdata {
/** Mic detect debounce level */
int micd_dbtime;

+ /** Mic detect timeout (ms) */
+ int micd_timeout;
+
/** Force MICBIAS on for mic detect */
bool micd_force_micbias;

--
1.7.10.4

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