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author | Takashi Iwai <tiwai@suse.de> | 2020-04-24 09:22:16 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2020-04-24 09:22:55 +0300 |
commit | 36dbae9945322e660795e73ffc8ed8ae4f25d13d (patch) | |
tree | 9e444e68380061dccfaa453d1f02cf21c5c986ef /sound/hda/Kconfig | |
parent | 14ff6c5546e7d98f8326d9ee7a75b79de9874efb (diff) | |
parent | 0d283287a42027e8a618bcdf17b79578041ebabd (diff) | |
download | linux-36dbae9945322e660795e73ffc8ed8ae4f25d13d.tar.xz |
Merge branch 'topic/nhlt' into for-next
Merge NHLT init cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda/Kconfig')
-rw-r--r-- | sound/hda/Kconfig | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/hda/Kconfig b/sound/hda/Kconfig index 4ca6b09056f3..3bc9224d5e4f 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -21,16 +21,17 @@ config SND_HDA_EXT_CORE select SND_HDA_CORE config SND_HDA_PREALLOC_SIZE - int "Pre-allocated buffer size for HD-audio driver" if !SND_DMA_SGBUF + int "Pre-allocated buffer size for HD-audio driver" range 0 32768 - default 0 if SND_DMA_SGBUF + default 2048 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. + On x86 systems, the default is 2048 as a reasonable value for + most of modern systems. Note that the pre-allocation size can be changed dynamically via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. |