ASoC: Allow source specification for CODEC level sysclk
Similarly to PLLs/FLLs some modern CODECs provide selectable system clock
sources. When the clock is the clock for a DAI we do not usually need to
identify which clock is being configured so can use clk_id for the source
clock but with CODEC wide system clocks we will need to specify both the
clock being configured and the source.
Add a source argument to the CODEC driver set_sysclk() operation to
reflect this. As this operation is not as widely used as the DAI
set_sysclk() operation the change is not very invasive. We probably
ought to go and make the same alternation for DAIs at some point.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index fc7fff3..4ec93d1 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2670,7 +2670,7 @@
if (dai->driver && dai->driver->ops->set_sysclk)
return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
else if (dai->codec && dai->codec->driver->set_sysclk)
- return dai->codec->driver->set_sysclk(dai->codec, clk_id,
+ return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
freq, dir);
else
return -EINVAL;
@@ -2681,16 +2681,18 @@
* snd_soc_codec_set_sysclk - configure CODEC system or master clock.
* @codec: CODEC
* @clk_id: DAI specific clock ID
+ * @source: Source for the clock
* @freq: new clock frequency in Hz
* @dir: new clock direction - input/output.
*
* Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
*/
int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
- unsigned int freq, int dir)
+ int source, unsigned int freq, int dir)
{
if (codec->driver->set_sysclk)
- return codec->driver->set_sysclk(codec, clk_id, freq, dir);
+ return codec->driver->set_sysclk(codec, clk_id, source,
+ freq, dir);
else
return -EINVAL;
}