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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-09-05 18:52:16 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-09-05 18:52:16 +0100
commit85488037bb9b533b064be66412dbe1dbcd2734d9 (patch)
tree844445f441b716130aaa4ba08d02a8ec3ba04e72 /sound/soc/soc-core.c
parent367da1527aff2a4f789d03082f9fb191cdf332c4 (diff)
ASoC: Add source argument to PLL configuration
More and more devices feature PLLs and FLLs with the ability to select between multiple input clocks. In order to better support these devices a new argument, source, has been added to the set_pll() configuration API. Using set_clkdiv() is often difficult due to the need to stop the PLL/FLL before any reconfiguration can be done. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 7ff04ad2a97..05fdc8023da 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2197,16 +2197,18 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
* snd_soc_dai_set_pll - configure DAI PLL.
* @dai: DAI
* @pll_id: DAI specific PLL ID
+ * @source: DAI specific source for the PLL
* @freq_in: PLL input clock frequency in Hz
* @freq_out: requested PLL output clock frequency in Hz
*
* Configures and enables PLL to generate output clock based on input clock.
*/
-int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
- int pll_id, unsigned int freq_in, unsigned int freq_out)
+int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
+ unsigned int freq_in, unsigned int freq_out)
{
if (dai->ops && dai->ops->set_pll)
- return dai->ops->set_pll(dai, pll_id, freq_in, freq_out);
+ return dai->ops->set_pll(dai, pll_id, source,
+ freq_in, freq_out);
else
return -EINVAL;
}