[alsa-devel] [PATCH] ASOC: utils: Update dummy codec DAI settings to allow stream creation

[Selma Bensaid]

This patch consists in settings the channels_min, rates and formats
of the dummy codec DAI driver to enable the creation of the PCM streams
using it.

Signed-off-by: Selma Bensaid <selma.bensaid at intel.com>
---
 include/sound/pcm.h   |    9 +++++++++
 sound/soc/soc-utils.c |   13 +++++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index ff536f1..c0b5fd4 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -127,6 +127,8 @@ struct snd_pcm_ops {
 
 #define SNDRV_PCM_RATE_CONTINUOUS	(1<<30)		/* continuous range */
 #define SNDRV_PCM_RATE_KNOT		(1<<31)		/* supports more non-continuos rates */
+#define SNDRV_PCM_RATE_ALL		(0xFFFFFFFF)    /* support all RATES */
+
 
 #define SNDRV_PCM_RATE_8000_44100	(SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_11025|\
 					 SNDRV_PCM_RATE_16000|SNDRV_PCM_RATE_22050|\
@@ -203,6 +205,13 @@ struct snd_pcm_ops {
 #define SNDRV_PCM_FMTBIT_IEC958_SUBFRAME SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE
 #endif
 
+#define SNDRV_PCM_FMTBIT_CONTINUOUS \
+	(SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 |\
+	SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 |\
+	SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32 |\
+	SNDRV_PCM_FMTBIT_FLOAT | SNDRV_PCM_FMTBIT_FLOAT64 |\
+	SNDRV_PCM_FMTBIT_IEC958_SUBFRAME)
+
 struct snd_pcm_file {
 	struct snd_pcm_substream *substream;
 	int no_compat_mmap;
diff --git a/sound/soc/soc-utils.c b/sound/soc/soc-utils.c
index 6005370..2aeaf0b 100644
--- a/sound/soc/soc-utils.c
+++ b/sound/soc/soc-utils.c
@@ -92,6 +92,19 @@ static struct snd_soc_platform_driver dummy_platform = {
 static struct snd_soc_codec_driver dummy_codec;
 static struct snd_soc_dai_driver dummy_dai = {
 	.name = "snd-soc-dummy-dai",
+	.playback = {
+		.channels_min = 1,
+		.channels_max = 0xFFFF,
+		.rates = SNDRV_PCM_RATE_ALL,
+		.formats = SNDRV_PCM_FMTBIT_CONTINUOUS,
+	},
+	.capture = {
+		.channels_min = 1,
+		.channels_max = 0xFFFF,
+		.rates = SNDRV_PCM_RATE_ALL,
+		.formats = SNDRV_PCM_FMTBIT_CONTINUOUS,
+	},
+	.ops = NULL,
 };
 
 static __devinit int snd_soc_dummy_probe(struct platform_device *pdev)
-- 
1.7.0.4

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