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>

1 files changed, 5 insertions, 3 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 7ff04ad2a97e..05fdc8023da4 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;
 }