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Commit b17e5462 authored by Mark Brown's avatar Mark Brown Committed by Chanwoo Choi
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extcon: arizona: Allow configuration of MICBIAS rise time 



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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Acked-by: default avatarMyungJoo Ham <myungjoo.ham@samsung.com>
parent cd74f7b3

drivers/extcon/extcon-arizona.c

+6 −0
Original line number Diff line number Diff line
@@ -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);

include/linux/mfd/arizona/pdata.h

+3 −0
Original line number Diff line number Diff line
@@ -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;