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Commit 2e033db5 authored by Mark Brown's avatar Mark Brown
Browse files

extcon: arizona: Support additional configuration of microphone detection 



Allow systems to tune detection rate and debounce suitably for their
mechanical parameters.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent f9365d07

drivers/extcon/extcon-arizona.c

+12 −0
Original line number Diff line number Diff line
@@ -907,6 +907,18 @@ static int arizona_extcon_probe(struct platform_device *pdev) 
				   arizona->pdata.micd_bias_start_time

				   << ARIZONA_MICD_BIAS_STARTTIME_SHIFT);



	if (arizona->pdata.micd_rate)

		regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1,

				   ARIZONA_MICD_RATE_MASK,

				   arizona->pdata.micd_rate

				   << ARIZONA_MICD_RATE_SHIFT);



	if (arizona->pdata.micd_dbtime)

		regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1,

				   ARIZONA_MICD_DBTIME_MASK,

				   arizona->pdata.micd_dbtime

				   << ARIZONA_MICD_DBTIME_SHIFT);



	/*

	 * If we have a clamp use it, activating in conjunction with

	 * GPIO5 if that is connected for jack detect operation.

include/linux/mfd/arizona/pdata.h

+6 −0
Original line number Diff line number Diff line
@@ -111,6 +111,12 @@ struct arizona_pdata { 
	/** Mic detect ramp rate */

	int micd_bias_start_time;



	/** Mic detect sample rate */

	int micd_rate;



	/** Mic detect debounce level */

	int micd_dbtime;



	/** Headset polarity configurations */

	struct arizona_micd_config *micd_configs;

	int num_micd_configs;