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CONFIG_SND_HDA_PREALLOC_SIZE: Pre-allocated buffer size for HD-audio driver

General informations

The Linux kernel configuration item CONFIG_SND_HDA_PREALLOC_SIZE:

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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.

Hardware

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