Unverified Commit d20fa87e authored by Astrid Rost's avatar Astrid Rost Committed by Mark Brown
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ASoC: ts3a227e: add parameters to control debounce times 



Add devicetree parameters to control the insert, release and press
debounce times.

Signed-off-by: default avatarAstrid Rost <astrid.rost@axis.com>
Link: https://lore.kernel.org/r/20220921081834.22009-4-astrid.rost@axis.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f7aadbb2

sound/soc/codecs/ts3a227e.c

+55 −6
Original line number Diff line number Diff line
@@ -78,12 +78,20 @@ static const int ts3a227e_buttons[] = { 
#define ADC_COMPLETE_INT_DISABLE 0x04

#define INTB_DISABLE 0x08



/* TS3A227E_REG_SETTING_1 0x4 */

#define DEBOUNCE_INSERTION_SETTING_SFT (0)

#define DEBOUNCE_INSERTION_SETTING_MASK (0x7 << DEBOUNCE_PRESS_SETTING_SFT)



/* TS3A227E_REG_SETTING_2 0x05 */

#define KP_ENABLE 0x04



/* TS3A227E_REG_SETTING_3 0x06 */

#define MICBIAS_SETTING_SFT (3)

#define MICBIAS_SETTING_SFT 3

#define MICBIAS_SETTING_MASK (0x7 << MICBIAS_SETTING_SFT)

#define DEBOUNCE_RELEASE_SETTING_SFT 2

#define DEBOUNCE_RELEASE_SETTING_MASK (0x1 << DEBOUNCE_RELEASE_SETTING_SFT)

#define DEBOUNCE_PRESS_SETTING_SFT 0

#define DEBOUNCE_PRESS_SETTING_MASK (0x3 << DEBOUNCE_PRESS_SETTING_SFT)



/* TS3A227E_REG_ACCESSORY_STATUS  0x0b */

#define TYPE_3_POLE 0x01
@@ -136,7 +144,7 @@ static bool ts3a227e_volatile_reg(struct device *dev, unsigned int reg) 
{

	switch (reg) {

	case TS3A227E_REG_INTERRUPT ... TS3A227E_REG_INTERRUPT_DISABLE:

	case TS3A227E_REG_SETTING_2:

	case TS3A227E_REG_SETTING_1 ... TS3A227E_REG_SETTING_2:

	case TS3A227E_REG_SWITCH_STATUS_1 ... TS3A227E_REG_ADC_OUTPUT:

		return true;

	default:
@@ -269,14 +277,55 @@ static const struct regmap_config ts3a227e_regmap_config = { 
static int ts3a227e_parse_device_property(struct ts3a227e *ts3a227e,

				struct device *dev)

{

	u32 micbias;

	u32 value;

	u32 value_ms;

	u32 setting3_value = 0;

	u32 setting3_mask = 0;

	int err;



	err = device_property_read_u32(dev, "ti,micbias", &micbias);

	err = device_property_read_u32(dev, "ti,micbias", &value);

	if (!err) {

		setting3_mask = MICBIAS_SETTING_MASK;

		setting3_value = (value << MICBIAS_SETTING_SFT) &

				 MICBIAS_SETTING_MASK;

	}



	err = device_property_read_u32(dev, "ti,debounce-release-ms",

				       &value_ms);

	if (!err) {

		value = (value_ms > 10);

		setting3_mask |= DEBOUNCE_RELEASE_SETTING_MASK;

		setting3_value |= (value << DEBOUNCE_RELEASE_SETTING_SFT) &

				  DEBOUNCE_RELEASE_SETTING_MASK;

	}



	err = device_property_read_u32(dev, "ti,debounce-press-ms", &value_ms);

	if (!err) {

		value = (value_ms + 20) / 40;

		if (value > 3)

			value = 3;

		setting3_mask |= DEBOUNCE_PRESS_SETTING_MASK;

		setting3_value |= (value << DEBOUNCE_PRESS_SETTING_SFT) &

				  DEBOUNCE_PRESS_SETTING_MASK;

	}



	if (setting3_mask)

		regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_3,

			MICBIAS_SETTING_MASK,

			(micbias & 0x07) << MICBIAS_SETTING_SFT);

				   setting3_mask, setting3_value);



	err = device_property_read_u32(dev, "ti,debounce-insertion-ms",

				       &value_ms);

	if (!err) {

		if (value_ms < 165)

			value = (value_ms + 15) / 30;

		else if (value_ms < 1500)

			value = 6;

		else

			value = 7;

		regmap_update_bits(ts3a227e->regmap, TS3A227E_REG_SETTING_1,

				   DEBOUNCE_INSERTION_SETTING_MASK,

				   (value << DEBOUNCE_INSERTION_SETTING_SFT) &

					   DEBOUNCE_INSERTION_SETTING_MASK);

	}



	return 0;