diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-24 20:09:01 +0100 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-08-31 09:57:35 +0100 |
commit | da1c6ea6cf85544292c30295c70a89e8555358bc (patch) | |
tree | 7407347d709bda251c58185909c3d5fc58178587 /sound | |
parent | d2dd0540c1dab1ebe4192e69d8dbfcf018ff02b2 (diff) | |
download | linux-da1c6ea6cf85544292c30295c70a89e8555358bc.tar.bz2 |
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>
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/codecs/adav80x.c | 3 | ||||
-rw-r--r-- | sound/soc/codecs/wm9081.c | 4 | ||||
-rw-r--r-- | sound/soc/samsung/speyside.c | 2 | ||||
-rw-r--r-- | sound/soc/soc-core.c | 8 |
4 files changed, 10 insertions, 7 deletions
diff --git a/sound/soc/codecs/adav80x.c b/sound/soc/codecs/adav80x.c index 300c04b70e71..f9f08948e5e8 100644 --- a/sound/soc/codecs/adav80x.c +++ b/sound/soc/codecs/adav80x.c @@ -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); diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c index a4691321f9b3..f32ab1ee9647 100644 --- a/sound/soc/codecs/wm9081.c +++ b/sound/soc/codecs/wm9081.c @@ -1120,8 +1120,8 @@ static int wm9081_digital_mute(struct snd_soc_dai *codec_dai, int mute) return 0; } -static int wm9081_set_sysclk(struct snd_soc_codec *codec, - int clk_id, unsigned int freq, int dir) +static int wm9081_set_sysclk(struct snd_soc_codec *codec, int clk_id, + int source, unsigned int freq, int dir) { struct wm9081_priv *wm9081 = snd_soc_codec_get_drvdata(codec); diff --git a/sound/soc/samsung/speyside.c b/sound/soc/samsung/speyside.c index bfed1ff7093f..09df8afbb447 100644 --- a/sound/soc/samsung/speyside.c +++ b/sound/soc/samsung/speyside.c @@ -223,7 +223,7 @@ static int speyside_wm9081_init(struct snd_soc_dapm_context *dapm) snd_soc_dapm_nc_pin(dapm, "LINEOUT"); /* At any time the WM9081 is active it will have this clock */ - return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, + return snd_soc_codec_set_sysclk(dapm->codec, WM9081_SYSCLK_MCLK, 0, 48000 * 256, 0); } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fc7fff3604f7..4ec93d1df047 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2670,7 +2670,7 @@ int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, 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 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); * 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; } |