diff options
author | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
commit | fdff7c21ea00787e3f70a1a00b40b88eb998c6ad (patch) | |
tree | 03016a8375e849e2c39dec8a15d660055bb16a8c /sound/hda/Kconfig | |
parent | f1ec3a517b4352e78dbef6b1e591f43202ecb3fe (diff) | |
parent | b3a6082223369203d7e7db7e81253ac761377644 (diff) |
Merge branch 'linus' into perf/urgent, to synchronize with upstream
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/hda/Kconfig')
-rw-r--r-- | sound/hda/Kconfig | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig index b0c88fe040ee..4ca6b09056f3 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -21,14 +21,16 @@ config SND_HDA_EXT_CORE select SND_HDA_CORE config SND_HDA_PREALLOC_SIZE - int "Pre-allocated buffer size for HD-audio driver" + int "Pre-allocated buffer size for HD-audio driver" if !SND_DMA_SGBUF range 0 32768 - default 64 + default 0 if SND_DMA_SGBUF + default 64 if !SND_DMA_SGBUF 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. + On x86 systems, the default is zero as we need no preallocation. Note that the pre-allocation size can be changed dynamically via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. |