ASoC: Manage WM8731 ACTIVE bit as a supply widget

Now we have supply widgets there's no need to open code the handling of
the ACTIVE bit.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Tested-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Liam Girdwood <lrg@ti.com>

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 2dc964b55e4fa15ce23fec72fbc7c7925f8fbc1e..76b4361e9b8042c112a32b14b290304e17761604 100644 (file)
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -175,6 +175,7 @@ static const struct snd_kcontrol_new wm8731_input_mux_controls =
 SOC_DAPM_ENUM("Input Select", wm8731_insel_enum);
 
 static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_SUPPLY("ACTIVE",WM8731_ACTIVE, 0, 0, NULL, 0),
 SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0),
 SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1,
        &wm8731_output_mixer_controls[0],
@@ -204,6 +205,8 @@ static int wm8731_check_osc(struct snd_soc_dapm_widget *source,
 static const struct snd_soc_dapm_route wm8731_intercon[] = {
        {"DAC", NULL, "OSC", wm8731_check_osc},
        {"ADC", NULL, "OSC", wm8731_check_osc},
+       {"DAC", NULL, "ACTIVE"},
+       {"ADC", NULL, "ACTIVE"},
 
        /* output mixer */
        {"Output Mixer", "Line Bypass Switch", "Line Input"},
@@ -315,29 +318,6 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream,
        return 0;
 }
 
-static int wm8731_pcm_prepare(struct snd_pcm_substream *substream,
-                             struct snd_soc_dai *dai)
-{
-       struct snd_soc_codec *codec = dai->codec;
-
-       /* set active */
-       snd_soc_write(codec, WM8731_ACTIVE, 0x0001);
-
-       return 0;
-}
-
-static void wm8731_shutdown(struct snd_pcm_substream *substream,
-                           struct snd_soc_dai *dai)
-{
-       struct snd_soc_codec *codec = dai->codec;
-
-       /* deactivate */
-       if (!codec->active) {
-               udelay(50);
-               snd_soc_write(codec, WM8731_ACTIVE, 0x0);
-       }
-}
-
 static int wm8731_mute(struct snd_soc_dai *dai, int mute)
 {
        struct snd_soc_codec *codec = dai->codec;
@@ -480,7 +460,6 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
                snd_soc_write(codec, WM8731_PWR, reg | 0x0040);
                break;
        case SND_SOC_BIAS_OFF:
-               snd_soc_write(codec, WM8731_ACTIVE, 0x0);
                snd_soc_write(codec, WM8731_PWR, 0xffff);
                regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
                                       wm8731->supplies);
@@ -496,9 +475,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
        SNDRV_PCM_FMTBIT_S24_LE)
 
 static struct snd_soc_dai_ops wm8731_dai_ops = {
-       .prepare        = wm8731_pcm_prepare,
        .hw_params      = wm8731_hw_params,
-       .shutdown       = wm8731_shutdown,
        .digital_mute   = wm8731_mute,
        .set_sysclk     = wm8731_set_dai_sysclk,
        .set_fmt        = wm8731_set_dai_fmt,