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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-13 19:05:04 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-08-15 14:52:12 +0100
commitc5607d8e7a4c30d2ff62b8eefe3f977d5c71d2fe (patch)
tree4bcb668243cacfabcb9d58076911093391dbd94b /sound/soc/s3c24xx
parent8ef339df25ed424e7430fd411a52840c6af368c6 (diff)
ASoC: Automatically calculate clock ratio for WM8580
Implement set_sysclk() and then rather than assuming 256fs use the supplied value to calculate and configure the clock ratio for the currently used sample rate. As a side effect we also end up implementing clock selection for the ADC path. In order to avoid confusion remove the existing set_clkdiv() based configuration of the clock source for the DAC and update the SMDK64xx driver (which is the only in-tree user of the CODEC). Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/s3c24xx')
-rw-r--r--sound/soc/s3c24xx/smdk64xx_wm8580.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/sound/soc/s3c24xx/smdk64xx_wm8580.c b/sound/soc/s3c24xx/smdk64xx_wm8580.c
index 5c21e26da07..91367f7bfec 100644
--- a/sound/soc/s3c24xx/smdk64xx_wm8580.c
+++ b/sound/soc/s3c24xx/smdk64xx_wm8580.c
@@ -113,14 +113,13 @@ static int smdk64xx_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
return ret;
- /* Explicitly set WM8580-DAC to source from MCLK */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM8580_DAC_CLKSEL,
- WM8580_CLKSRC_MCLK);
+ ret = snd_soc_dai_set_pll(codec_dai, WM8580_PLLA, 0,
+ SMDK64XX_WM8580_FREQ, pll_out);
if (ret < 0)
return ret;
- ret = snd_soc_dai_set_pll(codec_dai, WM8580_PLLA, 0,
- SMDK64XX_WM8580_FREQ, pll_out);
+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8580_CLKSRC_PLLA,
+ pll_out, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;