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Commit 89492be8 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown
Browse files

ASoC: TWL4030: Make the HS ramp delay configurable 



Enum type for selecting the desired ramp delay for the headset output.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent a1b3eaeb

sound/soc/codecs/twl4030.c

+14 −4
Original line number Diff line number Diff line
@@ -584,12 +584,11 @@ static int headsetl_event(struct snd_soc_dapm_widget *w, 


	/* Save the current volume */

	hs_gain = twl4030_read_reg_cache(w->codec, TWL4030_REG_HS_GAIN_SET);

	hs_pop = twl4030_read_reg_cache(w->codec, TWL4030_REG_HS_POPN_SET);



	switch (event) {

	case SND_SOC_DAPM_POST_PMU:

		/* Do the anti-pop/bias ramp enable according to the TRM */

		hs_pop = TWL4030_RAMP_DELAY_645MS;

		twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop);

		hs_pop |= TWL4030_VMID_EN;

		twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop);

		/* Is this needed? Can we just use whatever gain here? */
@@ -603,8 +602,6 @@ static int headsetl_event(struct snd_soc_dapm_widget *w, 
		break;

	case SND_SOC_DAPM_POST_PMD:

		/* Do the anti-pop/bias ramp disable according to the TRM */

		hs_pop = twl4030_read_reg_cache(w->codec,

						TWL4030_REG_HS_POPN_SET);

		hs_pop &= ~TWL4030_RAMP_EN;

		twl4030_write(w->codec, TWL4030_REG_HS_POPN_SET, hs_pop);

		/* Bypass the reg_cache to mute the headset */
@@ -847,6 +844,17 @@ static DECLARE_TLV_DB_SCALE(digital_capture_tlv, 0, 100, 0); 
 */

static DECLARE_TLV_DB_SCALE(input_gain_tlv, 0, 600, 0);



static const char *twl4030_rampdelay_texts[] = {

	"27/20/14 ms", "55/40/27 ms", "109/81/55 ms", "218/161/109 ms",

	"437/323/218 ms", "874/645/437 ms", "1748/1291/874 ms",

	"3495/2581/1748 ms"

};



static const struct soc_enum twl4030_rampdelay_enum =

	SOC_ENUM_SINGLE(TWL4030_REG_HS_POPN_SET, 2,

			ARRAY_SIZE(twl4030_rampdelay_texts),

			twl4030_rampdelay_texts);



static const struct snd_kcontrol_new twl4030_snd_controls[] = {

	/* Common playback gain controls */

	SOC_DOUBLE_R_TLV("DAC1 Digital Fine Playback Volume",
@@ -901,6 +909,8 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = { 


	SOC_DOUBLE_TLV("Analog Capture Volume", TWL4030_REG_ANAMIC_GAIN,

		0, 3, 5, 0, input_gain_tlv),



	SOC_ENUM("HS ramp delay", twl4030_rampdelay_enum),

};



static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {