V4L/DVB (10694): [PATCH] software IRQ watchdog for Flexcop B2C2 DVB PCI cards

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With (some) Technisat cards you cannot run multiple DVB applications
in parallel and switch the channel at the same time.

There seems to be a problem on the interfaces or even inside the flexcop-device
that can't handle interruption on the streaming interface.

This patch adds a watchdog to check whether data is supposed to come in
(streaming PIDs are requested) and if no data is seen within 400ms (default) it
resets the streaming/pid-filtering hardware.

This patch is urgently needed to support the rev 2.8 of the hardware and solves
problem occassionally seen on older hardware.

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

...

This commit is contained in:

Patrick Boettcher 2009-02-23 06:27:16 -03:00 • committed by Mauro Carvalho Chehab

parent 0ad675eb45

commit 382c5546d6

3 changed files with 44 additions and 25 deletions

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1

drivers/media/dvb/b2c2/flexcop-hw-filter.c

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61

drivers/media/dvb/b2c2/flexcop-pci.c

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3

drivers/media/dvb/b2c2/flexcop.c

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