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authorJiri Kosina <jkosina@suse.cz>2011-02-15 09:24:31 (GMT)
committerJiri Kosina <jkosina@suse.cz>2011-02-15 09:24:31 (GMT)
commit0a9d59a2461477bd9ed143c01af9df3f8f00fa81 (patch)
treedf997d1cfb0786427a0df1fbd6f0640fa4248cf4 /Documentation/sound/alsa/soc/platform.txt
parenta23ce6da9677d245aa0aadc99f4197030350ab54 (diff)
parent795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff)
downloadlinux-fsl-qoriq-0a9d59a2461477bd9ed143c01af9df3f8f00fa81.tar.xz
Merge branch 'master' into for-next
Diffstat (limited to 'Documentation/sound/alsa/soc/platform.txt')
-rw-r--r--Documentation/sound/alsa/soc/platform.txt12
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/sound/alsa/soc/platform.txt b/Documentation/sound/alsa/soc/platform.txt
index 06d8359..d57efad 100644
--- a/Documentation/sound/alsa/soc/platform.txt
+++ b/Documentation/sound/alsa/soc/platform.txt
@@ -20,9 +20,10 @@ struct snd_soc_ops {
int (*trigger)(struct snd_pcm_substream *, int);
};
-The platform driver exports its DMA functionality via struct snd_soc_platform:-
+The platform driver exports its DMA functionality via struct
+snd_soc_platform_driver:-
-struct snd_soc_platform {
+struct snd_soc_platform_driver {
char *name;
int (*probe)(struct platform_device *pdev);
@@ -34,6 +35,13 @@ struct snd_soc_platform {
int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, struct snd_pcm *);
void (*pcm_free)(struct snd_pcm *);
+ /*
+ * For platform caused delay reporting.
+ * Optional.
+ */
+ snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
+ struct snd_soc_dai *);
+
/* platform stream ops */
struct snd_pcm_ops *pcm_ops;
};