Commit Graph

9 Commits

Author SHA1 Message Date
Mauro Carvalho Chehab 83ee87a31d V4L/DVB (8026): Avoids an OOPS if dev struct can't be successfully recovered
On some alsa versions, it seems that snd_pcm_substream_chip(substream)
is returning a NULL pointer. This causes an OOPS, as reported by:

https://bugs.launchpad.net/ubuntu/+source/linux-ubuntu-modules-2.6.24/+bug/212271
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/212960

This patch avoids the OOPS by not letting and open() succeed.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-26 15:58:47 -03:00
Devin Heitmueller df61918163 V4L/DVB (8017): Ensure em28xx extensions only get run against devs that support them
em28xx-audio.c
em28xx-dvb.c
 - Em28xx extensions should ensure they are being only loaded against devices
   that support them.  Deals with case where there are multiple em28xx
   devices, some of which have DVB (or ALSA) support and some do not.

Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-06-26 15:58:44 -03:00
Harvey Harrison d80e134dc8 V4L/DVB (7522): media/video/em28xx replace remaining __FUNCTION__ occurrences
__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-24 14:07:59 -03:00
Mauro Carvalho Chehab 92ea42f442 V4L/DVB (7164): em28xx-alsa: Add a missing mutex
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-02-18 11:15:16 -03:00
Mauro Carvalho Chehab a348d2005d V4L/DVB (7049): Remove sound/driver.h
sound/driver.h is already included by sound/core.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-02-18 11:14:53 -03:00
Mauro Carvalho Chehab d7448a8d9d V4L/DVB (6952): Add code for autoloading em28xx-alsa, if needed
Older em28xx devices does implement standard Audio Class.

However, on newer devices, this were replaced by a Vendor Class. This
patch autodetects that an em28xx lacks Audio Class and auto-loads
em28xx-alsa, for the devices that implements only a Vendor Class.

For devices with Audio Class, snd-usb-audio module will provide an ALSA
interface.

This patch uses the request_module_async function as defined on cx88-mpeg.c, 
originally wrote by Markus Rechberger.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-01-25 19:04:32 -02:00
Mauro Carvalho Chehab 6d79468dd8 V4L/DVB (6951): Integrates em28xx-audio.c into em28xx kernel module
Also fixes the remaining CodingStyle issues that Lindent didn't fix.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-01-25 19:04:32 -02:00
Mauro Carvalho Chehab 1a6f11e0e8 V4L/DVB (6950): Lindent em28xx-audio.c
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-01-25 19:04:31 -02:00
Markus Rechberger a52932b405 V4L/DVB (6949): Adds em28xx-audio module
em28xx-audio module exports em28xx Vendor Class audio as an -alsa
driver. This module were written based on usbaudio driver by Markus
Rechberger. Recently, he acked to allow us to merge it on kernel:

http://lists-archives.org/video4linux/20408-supporting-prolink-pixelview-405-dvd-maker.html

Thanks to Markus Rechberger <mrechberger@gmail.com>

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-01-25 19:04:31 -02:00