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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 02:14:46 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 02:14:46 +0200
commit60f593977b28fd3acbe4c3ca5eb6acf8ddf34d9e (patch)
treee879802c040d2748a25f2f95a5254dca2f82bcc8 /sound/soc/soc-utils.c
parentff8e2c560eca32043ed097099debac488a4bd99f (diff)
parent9ffecb10283508260936b96022d4ee43a7798b4c (diff)
Merge 4.3-rc3 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc/soc-utils.c')
-rw-r--r--sound/soc/soc-utils.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 362c69ac1d6c..53dd085d3ee2 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -101,6 +101,15 @@ static struct snd_soc_codec_driver dummy_codec;
SNDRV_PCM_FMTBIT_S32_LE | \
SNDRV_PCM_FMTBIT_U32_LE | \
SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
+/*
+ * The dummy CODEC is only meant to be used in situations where there is no
+ * actual hardware.
+ *
+ * If there is actual hardware even if it does not have a control bus
+ * the hardware will still have constraints like supported samplerates, etc.
+ * which should be modelled. And the data flow graph also should be modelled
+ * using DAPM.
+ */
static struct snd_soc_dai_driver dummy_dai = {
.name = "snd-soc-dummy-dai",
.playback = {