diff options
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 741179ccbd4e..eb488a522572 100644 --- a/sound/hda/Kconfig +++ b/sound/hda/Kconfig @@ -21,7 +21,7 @@ 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 64 if !SND_DMA_SGBUF @@ -30,7 +30,8 @@ config SND_HDA_PREALLOC_SIZE 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 zero as S/G allocation works + and no preallocation is needed in most cases. Note that the pre-allocation size can be changed dynamically via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. @@ -42,6 +43,7 @@ config SND_INTEL_NHLT config SND_INTEL_DSP_CONFIG tristate + select ACPI_NHLT if ACPI select SND_INTEL_NHLT if ACPI select SND_INTEL_SOUNDWIRE_ACPI if ACPI # this config should be selected only for Intel DSP platforms. |