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ASoC: TWL4030: Make the HS ramp delay configurable 

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

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Peter Ujfalusi 2009-03-05 12:48:49 +02:00 committed by Mark Brown
parent a1b3eaeb14
commit 89492be886
1 changed files with 14 additions and 4 deletions
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18
sound/soc/codecs/twl4030.c
View File

@ -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[] = {