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authorAndrew Lunn <andrew@lunn.ch>2014-05-22 19:31:49 +0400
committerMark Brown <broonie@linaro.org>2014-05-26 17:29:30 +0400
commit2942a0e285c46587a1025f12597df63ec04d08c6 (patch)
tree4376a294b4b8be8093b46650a9c0a3e26873a460 /Documentation
parent648722155dc081b019ab0ef548bbebde760a2b83 (diff)
downloadlinux-2942a0e285c46587a1025f12597df63ec04d08c6.tar.xz
ASoC: simple-card: Support setting mclk via a fixed factor
Some platforms require that the codecs mclk is a fixed multiplication factor of the audio stream rate. Add a optional property to the binding to hold this factor and implement a hw_params() function to make use of it. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/sound/simple-card.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/simple-card.txt b/Documentation/devicetree/bindings/sound/simple-card.txt
index 9b9df146fd1a..c2e9841dfce4 100644
--- a/Documentation/devicetree/bindings/sound/simple-card.txt
+++ b/Documentation/devicetree/bindings/sound/simple-card.txt
@@ -15,6 +15,9 @@ Optional properties:
Each entry is a pair of strings, the first being the
connection's sink, the second being the connection's
source.
+- simple-audio-card,mclk-fs : Multiplication factor between stream rate and codec
+ mclk.
+
Optional subnodes:
- simple-audio-card,dai-link : Container for dai-link level