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You have been subscribed to a public bug by Xavier Boudet (x-boudet):
Release: ubuntu-11.10-preinstalled-desktop-armel+omap4 image
alsa-utils version: 1.0.24.2-0ubuntu8.1
I am using the ARM Oneiric image for OMAP4 on Panda and Blaze.
On Panda the Audioo is correctly configured, not on SDP4430.
My understanding is that /usr/bin/alsaucm shall set the card in the udev rules.
Indeed, by running "alsaucm listcards" on Panda or SDP4430 boards, we have following output:
0: Panda
1: SDP4430
I suppose that when alsaucm is used without a card precised, the first
one is considered.
In file /lib/udev/rules.d/90-alsa-ucm.rules, replacing the following lines :
ATTRS{id}=="SDP4430|Panda", RUN+="/usr/bin/alsaucm set _verb HiFi"
ATTRS{id}=="SDP4430|Panda", RUN+="/usr/bin/alsaucm set _verb Record"
With:
ATTRS{id}=="SDP4430", RUN+="/usr/bin/alsaucm -c SDP4430 set _verb HiFi"
ATTRS{id}=="SDP4430", RUN+="/usr/bin/alsaucm -c SDP4430 set _verb Record"
ATTRS{id}=="Panda", RUN+="/usr/bin/alsaucm -c Panda set _verb HiFi"
ATTRS{id}=="Panda", RUN+="/usr/bin/alsaucm -c Panda set _verb Record"
... fixes the issue.
With that rules audio is OK on both Panda and SDP4430.
** Affects: alsa-utils (Ubuntu)
Importance: Undecided
Status: New
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alsa ucm udev rules not working on SDP4430
https://bugs.launchpad.net/bugs/880929
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