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extcon: arizona: Don't HPDET magic when headphones are enabled 

The magic is already done as part of enabling the headphone output so
does not need to be done when the headphone outputs are enabled. We hold
the DAPM lock so the headphone status can't be changed underneath us.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-02-07 15:47:40 +00:00
parent 0e27bd3137
commit 903aa56fdf
1 changed files with 46 additions and 12 deletions
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58
drivers/extcon/extcon-arizona.c
View File

@ -489,6 +489,7 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
struct arizona *arizona = info->arizona;
int id_gpio = arizona->pdata.hpdet_id_gpio;
int report = ARIZONA_CABLE_HEADPHONE;
unsigned int val;
int ret, reading;
mutex_lock(&info->lock);
@ -543,13 +544,28 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
dev_err(arizona->dev, "Failed to report HP/line: %d\n",
ret);
ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0);
if (ret != 0)
dev_warn(arizona->dev, "Failed to undo magic: %d\n", ret);
mutex_lock(&arizona->dapm->card->dapm_mutex);
ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0);
if (ret != 0)
dev_warn(arizona->dev, "Failed to undo magic: %d\n", ret);
ret = regmap_read(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, &val);
if (ret != 0) {
dev_err(arizona->dev, "Failed to read output enables: %d\n",
ret);
val = 0;
}
if (!(val & (ARIZONA_OUT1L_ENA | ARIZONA_OUT1R_ENA))) {
ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0);
if (ret != 0)
dev_warn(arizona->dev, "Failed to undo magic: %d\n",
ret);
ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0);
if (ret != 0)
dev_warn(arizona->dev, "Failed to undo magic: %d\n",
ret);
}
mutex_unlock(&arizona->dapm->card->dapm_mutex);
done:
if (id_gpio)
@ -637,6 +653,7 @@ err:
static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info)
{
struct arizona *arizona = info->arizona;
unsigned int val;
int ret;
dev_dbg(arizona->dev, "Starting identification via HPDET\n");
@ -648,13 +665,30 @@ static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info)
arizona_extcon_pulse_micbias(info);
ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0x4000);
if (ret != 0)
dev_warn(arizona->dev, "Failed to do magic: %d\n", ret);
mutex_lock(&arizona->dapm->card->dapm_mutex);
ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0x4000);
if (ret != 0)
dev_warn(arizona->dev, "Failed to do magic: %d\n", ret);
ret = regmap_read(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, &val);
if (ret != 0) {
dev_err(arizona->dev, "Failed to read output enables: %d\n",
ret);
val = 0;
}
if (!(val & (ARIZONA_OUT1L_ENA | ARIZONA_OUT1R_ENA))) {
ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000,
0x4000);
if (ret != 0)
dev_warn(arizona->dev, "Failed to do magic: %d\n",
ret);
ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000,
0x4000);
if (ret != 0)
dev_warn(arizona->dev, "Failed to do magic: %d\n",
ret);
}
mutex_unlock(&arizona->dapm->card->dapm_mutex);
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ACCESSORY_DETECT_MODE_1,