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3 commits

Author SHA1 Message Date
Jelle Raaijmakers
eb2b0d847e Kernel: Allow writes larger than PAGE_SIZE to AC97 device 
Previously, `cat /dev/random > /dev/audio` would crash Serenity. Fix
this by splitting up the written data into `PAGE_SIZE` chunks.
 2021-11-23 14:08:14 +01:00
Jelle Raaijmakers
70ca8b24dc Kernel: Add generic channel support to AC97 
This factors out some hardcoded PCMOut registers into a new private
class called AC97Channel, which wraps around a channel's registers and
provides some shared functionality.

No functional changes.
 2021-11-23 14:08:14 +01:00
Jelle Raaijmakers
7a2a0c1052 Kernel: Implement AC97 audio device driver 2021-11-23 10:06:24 +01:00