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ASoC: tas2552: Add DAPM calls for amp and PLL

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Add DAPM calls to enable/disable the Class D amp.
Also add a DAPM call to turn off the PLL upon
the stream completing.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Dan Murphy 2014-08-01 10:57:04 -05:00 committed by Mark Brown
parent 7d1311b93e
commit a7a8e994dd
1 changed files with 48 additions and 20 deletions
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68
sound/soc/codecs/tas2552.c
View file

@ -78,6 +78,43 @@ struct tas2552_data {
unsigned int mclk;
};
/* Input mux controls */
static const char *tas2552_input_texts[] = {
"Digital", "Analog"
};
static SOC_ENUM_SINGLE_DECL(tas2552_input_mux_enum, TAS2552_CFG_3, 7,
tas2552_input_texts);
static const struct snd_kcontrol_new tas2552_input_mux_control[] = {
SOC_DAPM_ENUM("Input selection", tas2552_input_mux_enum)
};
static const struct snd_soc_dapm_widget tas2552_dapm_widgets[] =
{
SND_SOC_DAPM_INPUT("IN"),
/* MUX Controls */
SND_SOC_DAPM_MUX("Input selection", SND_SOC_NOPM, 0, 0,
tas2552_input_mux_control),
SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_DAC("DAC", NULL, SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_OUT_DRV("ClassD", TAS2552_CFG_2, 7, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("PLL", TAS2552_CFG_2, 3, 0, NULL, 0),
SND_SOC_DAPM_OUTPUT("OUT")
};
static const struct snd_soc_dapm_route tas2552_audio_map[] = {
{"DAC", NULL, "DAC IN"},
{"Input selection", "Digital", "DAC"},
{"Input selection", "Analog", "IN"},
{"ClassD", NULL, "Input selection"},
{"OUT", NULL, "ClassD"},
{"ClassD", NULL, "PLL"},
};
static void tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown)
{
u8 cfg1_reg;
@ -101,10 +138,6 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream,
int d;
u8 p, j;
/* Turn on Class D amplifier */
snd_soc_update_bits(codec, TAS2552_CFG_2, TAS2552_CLASSD_EN_MASK,
TAS2552_CLASSD_EN);
if (!tas2552->mclk)
return -EINVAL;
@ -147,9 +180,6 @@ static int tas2552_hw_params(struct snd_pcm_substream *substream,
}
snd_soc_update_bits(codec, TAS2552_CFG_2, TAS2552_PLL_ENABLE,
TAS2552_PLL_ENABLE);
return 0;
}
@ -269,19 +299,10 @@ static const struct dev_pm_ops tas2552_pm = {
NULL)
};
static void tas2552_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
snd_soc_update_bits(codec, TAS2552_CFG_2, TAS2552_PLL_ENABLE, 0);
}
static struct snd_soc_dai_ops tas2552_speaker_dai_ops = {
.hw_params = tas2552_hw_params,
.set_sysclk = tas2552_set_dai_sysclk,
.set_fmt = tas2552_set_dai_fmt,
.shutdown = tas2552_shutdown,
.digital_mute = tas2552_mute,
};
@ -294,7 +315,7 @@ static struct snd_soc_dai_driver tas2552_dai[] = {
{
.name = "tas2552-amplifier",
.playback = {
.stream_name = "Speaker",
.stream_name = "Playback",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
@ -312,6 +333,7 @@ static DECLARE_TLV_DB_SCALE(dac_tlv, -7, 100, 24);
static const struct snd_kcontrol_new tas2552_snd_controls[] = {
SOC_SINGLE_TLV("Speaker Driver Playback Volume",
TAS2552_PGA_GAIN, 0, 0x1f, 1, dac_tlv),
SOC_DAPM_SINGLE("Playback AMP", SND_SOC_NOPM, 0, 1, 0),
};
static const struct reg_default tas2552_init_regs[] = {
@ -321,6 +343,7 @@ static const struct reg_default tas2552_init_regs[] = {
static int tas2552_codec_probe(struct snd_soc_codec *codec)
{
struct tas2552_data *tas2552 = snd_soc_codec_get_drvdata(codec);
struct snd_soc_dapm_context *dapm = &codec->dapm;
int ret;
tas2552->codec = codec;
@ -362,9 +385,14 @@ static int tas2552_codec_probe(struct snd_soc_codec *codec)
goto patch_fail;
}
snd_soc_write(codec, TAS2552_CFG_2, TAS2552_CLASSD_EN |
TAS2552_BOOST_EN | TAS2552_APT_EN |
TAS2552_LIM_EN);
snd_soc_write(codec, TAS2552_CFG_2, TAS2552_BOOST_EN |
TAS2552_APT_EN | TAS2552_LIM_EN);
snd_soc_dapm_new_controls(dapm, tas2552_dapm_widgets,
ARRAY_SIZE(tas2552_dapm_widgets));
snd_soc_dapm_add_routes(dapm, tas2552_audio_map,
ARRAY_SIZE(tas2552_audio_map));
return 0;
patch_fail: