ASoC: tas2552: Add DAPM calls for amp and PLL

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>

1 files changed, 48 insertions, 20 deletions

diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c
index 23b32960ff1d..1ed57a7e57b6 100644
--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -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: