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alsa: document alsa mixer path/profile sets a bit more

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This commit is contained in:
Lennart Poettering 2009-06-19 01:55:59 +02:00
parent b70b5edcfc
commit b1ea7c0d89
2 changed files with 23 additions and 3 deletions
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18
src/modules/alsa/mixer/profile-sets/default.conf
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@ -16,8 +16,18 @@
; Default profile definitions for the ALSA backend of PulseAudio. This
; is used as fallback for all cards that have no special mapping
; assigned. (and should be good enough for the vast majority of cards)
;
; assigned. (and should be good enough for the vast majority of
; cards). Use the udev property PULSE_PROFILE_SET to assign a
; different profile set than this one to a device. So what is this
; about? Simply, what we do here is map ALSA devices to how they are
; exposed in PA. We say which ALSA device string to use to open a
; device, which channel mapping to use then, and which mixer path to
; use. This is encoded in a 'mapping'. Multiple of these mappings can
; be bound together in a 'profile' which is then directly exposed in
; the UI as a card profile. Each mapping assigned to a profile will
; result in one sink/source to be created if the profile is selected
; for the card.
; [General]
; auto-profiles = no | yes # Instead of defining all profiles manually, autogenerate
; # them by combining every input mapping with every output mapping.
@ -42,7 +52,9 @@
; # defined in this file too
; description = ...
; priority = ... # Numeric value to deduce priority for this profile
; skip-probe = no | yes # Skip probing for availability?
; skip-probe = no | yes # Skip probing for availability? If this is yes then this profile
; # will be assumed as working without probing. Makes initialization
; # a bit faster but only works if the card is really known well.
[General]
auto-profiles = yes