ASoC: ak4642: add DAPM support for HeadPhone Output

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 35 insertions, 9 deletions

diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index 004a093547f9..da9caf0d5317 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -152,6 +152,37 @@ static const struct snd_kcontrol_new ak4642_snd_controls[] = {
                          0, 0xFF, 1, out_tlv),
 };
 
+static const struct snd_kcontrol_new ak4642_hpout_mixer_controls[] = {
+        SOC_DAPM_SINGLE("DACH", MD_CTL4, 0, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget ak4642_dapm_widgets[] = {
+
+        /* Outputs */
+        SND_SOC_DAPM_OUTPUT("HPOUTL"),
+        SND_SOC_DAPM_OUTPUT("HPOUTR"),
+
+        SND_SOC_DAPM_MIXER("HPOUTL Mixer", PW_MGMT2, 5, 0,
+                           &ak4642_hpout_mixer_controls[0],
+                           ARRAY_SIZE(ak4642_hpout_mixer_controls)),
+
+        SND_SOC_DAPM_MIXER("HPOUTR Mixer", PW_MGMT2, 4, 0,
+                           &ak4642_hpout_mixer_controls[0],
+                           ARRAY_SIZE(ak4642_hpout_mixer_controls)),
+
+        /* DAC */
+        SND_SOC_DAPM_DAC("DAC", "HiFi Playback", PW_MGMT1, 2, 0),
+};
+
+static const struct snd_soc_dapm_route ak4642_intercon[] = {
+
+        /* Outputs */
+        {"HPOUTL", NULL, "HPOUTL Mixer"},
+        {"HPOUTR", NULL, "HPOUTR Mixer"},
+
+        {"HPOUTL Mixer", "DACH", "DAC"},
+        {"HPOUTR Mixer", "DACH", "DAC"},
+};
 
 /* codec private data */
 struct ak4642_priv {
@@ -192,13 +223,8 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream,
                  * This operation came from example code of
                  * "ASAHI KASEI AK4642" (japanese) manual p97.
                  */
-                snd_soc_update_bits(codec, MD_CTL4, DACH, DACH);
-                snd_soc_update_bits(codec, MD_CTL3, BST1, BST1);
                 snd_soc_write(codec, L_IVC, 0x91); /* volume */
                 snd_soc_write(codec, R_IVC, 0x91); /* volume */
-                snd_soc_update_bits(codec, PW_MGMT1, PMMIN | PMDAC,
-                                                     PMMIN | PMDAC);
-                snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP);
                 snd_soc_update_bits(codec, PW_MGMT2, HPMTN,     HPMTN);
         } else {
                 /*
@@ -233,10 +259,6 @@ static void ak4642_dai_shutdown(struct snd_pcm_substream *substream,
         if (is_play) {
                 /* stop headphone output */
                 snd_soc_update_bits(codec, PW_MGMT2, HPMTN,     0);
-                snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, 0);
-                snd_soc_update_bits(codec, PW_MGMT1, PMMIN | PMDAC, 0);
-                snd_soc_update_bits(codec, MD_CTL3, BST1, 0);
-                snd_soc_update_bits(codec, MD_CTL4, DACH, 0);
         } else {
                 /* stop stereo input */
                 snd_soc_update_bits(codec, PW_MGMT1, PMADL, 0);
@@ -459,6 +481,10 @@ static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
         .reg_cache_size         = ARRAY_SIZE(ak4642_reg),
         .reg_word_size          = sizeof(u8),
         .reg_cache_default      = ak4642_reg,
+        .dapm_widgets           = ak4642_dapm_widgets,
+        .num_dapm_widgets       = ARRAY_SIZE(ak4642_dapm_widgets),
+        .dapm_routes            = ak4642_intercon,
+        .num_dapm_routes        = ARRAY_SIZE(ak4642_intercon),
 };
 
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)