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authorLiam Girdwood <lrg@slimlogic.co.uk>2010-08-23 12:58:01 +0100
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-08-23 12:58:01 +0100
commit97e15b1fcf79a60cb146d4123e7c72ac2736e258 (patch)
tree5923cd4d4f2e1945b66a7aab27acf684f8590c47 /sound/soc/codecs/wm8731.c
parenta8165e0e6f0511d14132423b4bce2d285e890fc8 (diff)
parent38fec7272bc033b75a0eb8976c56c2024d371b7d (diff)
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Merge remote branch 'broonie-asoc/for-2.6.37' into for-2.6.37
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r--sound/soc/codecs/wm8731.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 19844fc..56f5408 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -46,6 +46,7 @@ struct wm8731_priv {
struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
u16 reg_cache[WM8731_CACHEREGNUM];
unsigned int sysclk;
+ int sysclk_type;
};
@@ -110,6 +111,7 @@ static const struct snd_kcontrol_new wm8731_input_mux_controls =
SOC_DAPM_ENUM("Input Select", wm8731_enum[0]);
static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+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],
ARRAY_SIZE(wm8731_output_mixer_controls)),
@@ -127,7 +129,18 @@ SND_SOC_DAPM_INPUT("RLINEIN"),
SND_SOC_DAPM_INPUT("LLINEIN"),
};
+static int wm8731_check_osc(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec);
+
+ return wm8731->sysclk_type == WM8731_SYSCLK_MCLK;
+}
+
static const struct snd_soc_dapm_route intercon[] = {
+ {"DAC", NULL, "OSC", wm8731_check_osc},
+ {"ADC", NULL, "OSC", wm8731_check_osc},
+
/* output mixer */
{"Output Mixer", "Line Bypass Switch", "Line Input"},
{"Output Mixer", "HiFi Playback Switch", "DAC"},
@@ -285,6 +298,15 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
struct snd_soc_codec *codec = codec_dai->codec;
struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
+ switch (clk_id) {
+ case WM8731_SYSCLK_XTAL:
+ case WM8731_SYSCLK_MCLK:
+ wm8731->sysclk_type = clk_id;
+ break;
+ default:
+ return -EINVAL;
+ }
+
switch (freq) {
case 11289600:
case 12000000:
@@ -292,9 +314,14 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
case 16934400:
case 18432000:
wm8731->sysclk = freq;
- return 0;
+ break;
+ default:
+ return -EINVAL;
}
- return -EINVAL;
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
}