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extcon: arizona: Allow configuration of MICBIAS rise time

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Allow configuration of the rise time for MICBIAS via platform data, the
delay required depends on things like the external component selection.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This commit is contained in:
Mark Brown 2013-01-11 08:55:24 +09:00 committed by Chanwoo Choi
parent cd74f7b3b3
commit b17e54625c
2 changed files with 9 additions and 0 deletions
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6
drivers/extcon/extcon-arizona.c
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@ -417,6 +417,12 @@ static int arizona_extcon_probe(struct platform_device *pdev)
}
}
if (arizona->pdata.micd_bias_start_time)
regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1,
ARIZONA_MICD_BIAS_STARTTIME_MASK,
arizona->pdata.micd_bias_start_time
<< ARIZONA_MICD_BIAS_STARTTIME_SHIFT);
arizona_extcon_set_mode(info, 0);
info->input = devm_input_allocate_device(&pdev->dev);

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

@ -99,6 +99,9 @@ struct arizona_pdata {
/** GPIO for mic detection polarity */
int micd_pol_gpio;
/** Mic detect ramp rate */
int micd_bias_start_time;
/** Headset polarity configurations */
struct arizona_micd_config *micd_configs;
int num_micd_configs;