AcoSail/kernel_optimize_test
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extcon: arizona: Allow pull to be disabled on GPIO5 when used for JACKET

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In some designs an external pull won't be needed.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-04-01 19:03:52 +01:00
parent 77ff4f95d7
commit e56a0a572b
2 changed files with 10 additions and 2 deletions
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9
drivers/extcon/extcon-arizona.c
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@ -986,6 +986,7 @@ static int arizona_extcon_probe(struct platform_device *pdev)
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
struct arizona_pdata *pdata;
struct arizona_extcon_info *info;
unsigned int val;
int jack_irq_fall, jack_irq_rise;
int ret, mode, i, j;
@ -1172,9 +1173,13 @@ static int arizona_extcon_probe(struct platform_device *pdev)
*/
if (info->micd_clamp) {
if (arizona->pdata.jd_gpio5) {
/* Put the GPIO into input mode */
/* Put the GPIO into input mode with optional pull */
val = 0xc101;
if (arizona->pdata.jd_gpio5_nopull)
val &= ~ARIZONA_GPN_PU;
regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL,
0xc101);
val);
regmap_update_bits(arizona->regmap,
ARIZONA_MICD_CLAMP_CONTROL,

3
include/linux/mfd/arizona/pdata.h
View File

@ -122,6 +122,9 @@ struct arizona_pdata {
/** GPIO5 is used for jack detection */
bool jd_gpio5;
/** Internal pull on GPIO5 is disabled when used for jack detection */
bool jd_gpio5_nopull;
/** Use the headphone detect circuit to identify the accessory */
bool hpdet_acc_id;