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ALSA: ASoC: Add custom SOC_SINGLE_TLV for tlv320aic23 codec

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Replaces SOC_ENUM with custom SOC_SINGLE_TLV for Sidetone volume

Signed-off-by: Arun KS <arunks@mistralsolutions.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Arun KS 2008-10-03 17:07:30 +05:30 committed by Takashi Iwai
parent 3336c5b548
commit df91ddf178
1 changed files with 49 additions and 4 deletions
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53
sound/soc/codecs/tlv320aic23.c
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@ -113,7 +113,6 @@ static int tlv320aic23_write(struct snd_soc_codec *codec, unsigned int reg,
static const char *rec_src_text[] = { "Line", "Mic" }; static const char *rec_src_text[] = { "Line", "Mic" };
static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"}; static const char *deemph_text[] = {"None", "32Khz", "44.1Khz", "48Khz"};
static const char *sidetone_text[] = {"-6db", "-9db", "-12db", "-18db", "0db"};
static const struct soc_enum rec_src_enum = static const struct soc_enum rec_src_enum =
SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text); SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
@ -125,11 +124,56 @@ static const struct soc_enum tlv320aic23_rec_src =
SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text); SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 2, 2, rec_src_text);
static const struct soc_enum tlv320aic23_deemph = static const struct soc_enum tlv320aic23_deemph =
SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, deemph_text); SOC_ENUM_SINGLE(TLV320AIC23_DIGT, 1, 4, deemph_text);
static const struct soc_enum tlv320aic23_sidetone =
SOC_ENUM_SINGLE(TLV320AIC23_ANLG, 6, 5, sidetone_text);
static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0); static const DECLARE_TLV_DB_SCALE(out_gain_tlv, -12100, 100, 0);
static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0); static const DECLARE_TLV_DB_SCALE(input_gain_tlv, -1725, 75, 0);
static const DECLARE_TLV_DB_SCALE(sidetone_vol_tlv, -1800, 300, 0);
static int snd_soc_tlv320aic23_put_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
u16 val, reg;
val = (ucontrol->value.integer.value[0] & 0x07);
/* linear conversion to userspace
* 000 = -6db
* 001 = -9db
* 010 = -12db
* 011 = -18db (Min)
* 100 = 0db (Max)
*/
val = (val >= 4) ? 4 : (3 - val);
reg = tlv320aic23_read_reg_cache(codec, TLV320AIC23_ANLG) & (~0x1C0);
tlv320aic23_write(codec, TLV320AIC23_ANLG, reg | (val << 6));
return 0;
}
static int snd_soc_tlv320aic23_get_volsw(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
u16 val;
val = tlv320aic23_read_reg_cache(codec, TLV320AIC23_ANLG) & (0x1C0);
val = val >> 6;
val = (val >= 4) ? 4 : (3 - val);
ucontrol->value.integer.value[0] = val;
return 0;
}
#define SOC_TLV320AIC23_SINGLE_TLV(xname, reg, shift, max, invert, tlv_array) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
SNDRV_CTL_ELEM_ACCESS_READWRITE,\
.tlv.p = (tlv_array), \
.info = snd_soc_info_volsw, .get = snd_soc_tlv320aic23_get_volsw,\
.put = snd_soc_tlv320aic23_put_volsw, \
.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = { static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = {
SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL, SOC_DOUBLE_R_TLV("Digital Playback Volume", TLV320AIC23_LCHNVOL,
@ -141,7 +185,8 @@ static const struct snd_kcontrol_new tlv320aic23_snd_controls[] = {
TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv), TLV320AIC23_RINVOL, 0, 31, 0, input_gain_tlv),
SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1), SOC_SINGLE("Mic Input Switch", TLV320AIC23_ANLG, 1, 1, 1),
SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0), SOC_SINGLE("Mic Booster Switch", TLV320AIC23_ANLG, 0, 1, 0),
SOC_ENUM("Sidetone Gain", tlv320aic23_sidetone), SOC_TLV320AIC23_SINGLE_TLV("Sidetone Volume", TLV320AIC23_ANLG,
6, 4, 0, sidetone_vol_tlv),
SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph), SOC_ENUM("Playback De-emphasis", tlv320aic23_deemph),
}; };