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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-01-16 16:31:03 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-01-16 18:00:33 +0000
commitc42f69bb064333624dcc1452ed109441c3c9e7b4 (patch)
tree437787cddbc4ebc262d9294519f3b5887b6b08c3
parent2905a5df4a1600bc3c9ecace2fa65404196d1fda (diff)
ASoC: Ignore output frequency for WM9713 PLL
The WM9713 driver does not support configuring the PLL output frequency so the output frequency parameter is irrelevant. Allow users to set it to zero by ignoring it. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/codecs/wm9713.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c
index a45622620db..e636d8a18ed 100644
--- a/sound/soc/codecs/wm9713.c
+++ b/sound/soc/codecs/wm9713.c
@@ -32,7 +32,6 @@
struct wm9713_priv {
u32 pll_in; /* PLL input frequency */
- u32 pll_out; /* PLL output frequency */
};
static unsigned int ac97_read(struct snd_soc_codec *codec,
@@ -723,13 +722,13 @@ static int wm9713_set_pll(struct snd_soc_codec *codec,
struct _pll_div pll_div;
/* turn PLL off ? */
- if (freq_in == 0 || freq_out == 0) {
+ if (freq_in == 0) {
/* disable PLL power and select ext source */
reg = ac97_read(codec, AC97_HANDSET_RATE);
ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
reg = ac97_read(codec, AC97_EXTENDED_MID);
ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
- wm9713->pll_out = 0;
+ wm9713->pll_in = 0;
return 0;
}
@@ -773,7 +772,6 @@ static int wm9713_set_pll(struct snd_soc_codec *codec,
ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
reg = ac97_read(codec, AC97_HANDSET_RATE);
ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
- wm9713->pll_out = freq_out;
wm9713->pll_in = freq_in;
/* wait 10ms AC97 link frames for the link to stabilise */
@@ -1149,8 +1147,8 @@ static int wm9713_soc_resume(struct platform_device *pdev)
wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* do we need to re-start the PLL ? */
- if (wm9713->pll_out)
- wm9713_set_pll(codec, 0, wm9713->pll_in, wm9713->pll_out);
+ if (wm9713->pll_in)
+ wm9713_set_pll(codec, 0, wm9713->pll_in, 0);
/* only synchronise the codec if warm reset failed */
if (ret == 0) {