V4L/DVB (11979): em28xx: don't create audio device if not supported

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In cases where the device does not actually provide a USB audio class *or*
vendor audio, do not load the driver that provides vendor audio support (such
as the KWorld 2800d).  Otherwise, the /dev/audio1 device file gets created and
users get confused.

Also, reworks the logic a bit so that we don't try to inspect the register
content if the register read failed entirely.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Devin Heitmueller 2009-06-09 23:40:39 -03:00 • committed by Mauro Carvalho Chehab

parent d7de5d8ff7

commit 1cdc6392b7

1 changed files with 12 additions and 9 deletions

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drivers/media/video/em28xx/em28xx-core.c

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