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authorVinod Koul <vinod.koul@intel.com>2014-01-07 17:25:42 +0100
committerTakashi Iwai <tiwai@suse.de>2014-01-07 18:33:40 +0100
commit929559be6d2c494e25bb58b730da4a78c1459e7b (patch)
treea43659772ac5c5f2091b8345497b79d1e89b640a /include/uapi
parentALSA: compress: update struct snd_codec_desc for sample rate (diff)
downloadlinux-929559be6d2c494e25bb58b730da4a78c1459e7b.tar.xz
linux-929559be6d2c494e25bb58b730da4a78c1459e7b.zip
ALSA: compress: add num_sample_rates in snd_codec_desc
this gives ability to convey the valid values of supported rates in sample_rates array Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/sound/compress_params.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/sound/compress_params.h b/include/uapi/sound/compress_params.h
index b62b24b7f834..165e7059de75 100644
--- a/include/uapi/sound/compress_params.h
+++ b/include/uapi/sound/compress_params.h
@@ -326,6 +326,7 @@ union snd_codec_options {
/** struct snd_codec_desc - description of codec capabilities
* @max_ch: Maximum number of audio channels
* @sample_rates: Sampling rates in Hz, use values like 48000 for this
+ * @num_sample_rates: Number of valid values in sample_rates array
* @bit_rate: Indexed array containing supported bit rates
* @num_bitrates: Number of valid values in bit_rate array
* @rate_control: value is specified by SND_RATECONTROLMODE defines.
@@ -348,6 +349,7 @@ union snd_codec_options {
struct snd_codec_desc {
__u32 max_ch;
__u32 sample_rates[MAX_NUM_SAMPLE_RATES];
+ __u32 num_sample_rates;
__u32 bit_rate[MAX_NUM_BITRATES];
__u32 num_bitrates;
__u32 rate_control;