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authorPeter Ujfalusi <peter.ujfalusi@nokia.com>2009-03-05 12:48:49 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-03-06 13:37:11 +0000
commit89492be88616aa20b3a6c3eb512f83c0c7d0c8a3 (patch)
tree8759cbc7ffc9454c4aae3d69c961a23e29b500ee /sound/soc
parenta1b3eaeb146937e954cdb6dcb67f8761b73e2eef (diff)
downloadop-kernel-dev-89492be88616aa20b3a6c3eb512f83c0c7d0c8a3.zip
op-kernel-dev-89492be88616aa20b3a6c3eb512f83c0c7d0c8a3.tar.gz
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>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/twl4030.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 535d8ce..86bb15c 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -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[] = {
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