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ASoC: Allow source specification for CODEC level sysclk

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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>
This commit is contained in:
Mark Brown
2011-08-24 20:09:01 +01:00
parent d2dd0540c1
commit da1c6ea6cf
5 changed files with 12 additions and 9 deletions
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3
sound/soc/codecs/adav80x.c
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@@ -523,7 +523,8 @@ static int adav80x_hw_params(struct snd_pcm_substream *substream,
}
static int adav80x_set_sysclk(struct snd_soc_codec *codec,
int clk_id, unsigned int freq, int dir)
int clk_id, int source,
unsigned int freq, int dir)
{
struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);