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Merge pull request #5185 from HiassofT/le10-rpi-alsa-prealloc

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RPi: add udev rule to increase alsa buffer size to 1.2MB
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Christian Hewitt 2021-02-26 07:14:11 +04:00 committed by GitHub
commit e12ff4354f
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projects/RPi/filesystem/usr/lib/udev/rules.d/80-alsa-preallocsize.rules Normal file
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ACTION=="add", SUBSYSTEM=="sound", KERNEL=="pcmC*", ATTRS{id}=="vc4hdmi*", \
ENV{.snd_card}="$id", \
RUN+="/bin/sh -c 'echo 1280 > /proc/asound/$env{.snd_card}/pcm0p/sub0/prealloc'"