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| author | Vinod Koul <vinod.koul@intel.com> | 2015-06-16 21:00:22 +0530 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-06-16 17:40:38 +0200 |
| commit | d39513f85163e202a44283856286fabb6902f2e0 (patch) | |
| tree | eb9d45e6681548e741887ff0f6855df1c6e20746 /sound/hda | |
| parent | 0b2d71175990629f11189f5df98cc0c26ae61993 (diff) | |
| download | linux-d39513f85163e202a44283856286fabb6902f2e0.tar.gz | |
ALSA: HDAC: move SND_HDA_PREALLOC_SIZE to core
Since this is common option for HDA driver to specfiy pre-allocated buffer, we should make this option availble to all HDA driver by moving this to HDA core Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig index 6dc3914fd28b..3129546398d0 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -14,3 +14,16 @@ config SND_HDA_I915 config SND_HDA_EXT_CORE tristate select SND_HDA_CORE + +config SND_HDA_PREALLOC_SIZE + int "Pre-allocated buffer size for HD-audio driver" + range 0 32768 + default 64 + help + Specifies the default pre-allocated buffer-size in kB for the + HD-audio driver. A larger buffer (e.g. 2048) is preferred + for systems using PulseAudio. The default 64 is chosen just + for compatibility reasons. + + Note that the pre-allocation size can be changed dynamically + via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. |