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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-11 11:06:54 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-11 11:06:54 +0000
commit63ddcd7ba5245b099531389fdfbac859888b0ce1 (patch)
tree8a8a5a9199317cfbbfd505fd3b3830ded9c0c6e3 /sound
parent555df91a00c2d70949cb38415b6de7e4304c0f9a (diff)
parent5f3d25c08dee44a40229f1f9e8934f3217478a67 (diff)
downloadlinux-63ddcd7ba5245b099531389fdfbac859888b0ce1.tar.bz2
Merge remote-tracking branch 'asoc/topic/wm8985' into asoc-next
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm8985.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/sound/soc/codecs/wm8985.c b/sound/soc/codecs/wm8985.c
index ab3782657ac8..dd6ce3bc01cf 100644
--- a/sound/soc/codecs/wm8985.c
+++ b/sound/soc/codecs/wm8985.c
@@ -830,33 +830,30 @@ static int wm8985_set_pll(struct snd_soc_dai *dai, int pll_id,
struct pll_div pll_div;
codec = dai->codec;
- if (freq_in && freq_out) {
+ if (!freq_in || !freq_out) {
+ /* disable the PLL */
+ snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
+ WM8985_PLLEN_MASK, 0);
+ } else {
ret = pll_factors(&pll_div, freq_out * 4 * 2, freq_in);
if (ret)
return ret;
- }
- /* disable the PLL before reprogramming it */
- snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
- WM8985_PLLEN_MASK, 0);
-
- if (!freq_in || !freq_out)
- return 0;
-
- /* set PLLN and PRESCALE */
- snd_soc_write(codec, WM8985_PLL_N,
- (pll_div.div2 << WM8985_PLL_PRESCALE_SHIFT)
- | pll_div.n);
- /* set PLLK */
- snd_soc_write(codec, WM8985_PLL_K_3, pll_div.k & 0x1ff);
- snd_soc_write(codec, WM8985_PLL_K_2, (pll_div.k >> 9) & 0x1ff);
- snd_soc_write(codec, WM8985_PLL_K_1, (pll_div.k >> 18));
- /* set the source of the clock to be the PLL */
- snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
- WM8985_CLKSEL_MASK, WM8985_CLKSEL);
- /* enable the PLL */
- snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
- WM8985_PLLEN_MASK, WM8985_PLLEN);
+ /* set PLLN and PRESCALE */
+ snd_soc_write(codec, WM8985_PLL_N,
+ (pll_div.div2 << WM8985_PLL_PRESCALE_SHIFT)
+ | pll_div.n);
+ /* set PLLK */
+ snd_soc_write(codec, WM8985_PLL_K_3, pll_div.k & 0x1ff);
+ snd_soc_write(codec, WM8985_PLL_K_2, (pll_div.k >> 9) & 0x1ff);
+ snd_soc_write(codec, WM8985_PLL_K_1, (pll_div.k >> 18));
+ /* set the source of the clock to be the PLL */
+ snd_soc_update_bits(codec, WM8985_CLOCK_GEN_CONTROL,
+ WM8985_CLKSEL_MASK, WM8985_CLKSEL);
+ /* enable the PLL */
+ snd_soc_update_bits(codec, WM8985_POWER_MANAGEMENT_1,
+ WM8985_PLLEN_MASK, WM8985_PLLEN);
+ }
return 0;
}