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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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4
include/sound/soc.h
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@@ -276,7 +276,7 @@ enum snd_soc_pcm_subclass {
};
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);
int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out);
@@ -610,7 +610,7 @@ struct snd_soc_codec_driver {
/* codec wide operations */
int (*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);
int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out);