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fix ucm2/README.md - ALSA driver name has the precedence

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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Jaroslav Kysela 2021-05-19 14:48:56 +02:00
commit d9a0708a2a
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12
ucm2/README.md
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@ -12,9 +12,9 @@ configurations. They contain files included from other UCMs.
UCM master configuration path lookup is defined in the top level
ucm.conf file. This file allows custom directory layout. The new
ucm2 layout is based on the kernel module driver name with the
ALSA driver name fallback. The virtual cards (no direct hw bound)
lookups are placed to the separate conf.virt.d directory.
ucm2 layout is based on the ALSA driver name with the kernel driver
name as fallback. The virtual cards (no direct hw bound) lookups are
placed to the separate conf.virt.d directory.
The lookup configuration:
@ -34,8 +34,8 @@ Example paths - no conf.d scheme (may be invalidated):
- TwoCardsMix/TwoCardsMix.conf
-- virtual UCM from two soundcards
Note: For the driver configurations, use always the real kernel driver
name or the ALSA driver name - not the ucm card name configuration paths!
Note: For the driver configurations, use always the ALSA driver name or
the real kernel driver name - not the ucm card name configuration paths!
The kernel driver name is obtained using sysfs like (last
part of the path is used from the symlink):
@ -44,7 +44,7 @@ part of the path is used from the symlink):
/sys/class/sound/card0/device/driver
````
The driver name can be obtained using procfs like:
The ALSA driver name can be obtained using procfs like:
````
cat /proc/asound/cards