Messages in this thread Patch in this message |  | | | Date | Wed, 30 Jul 2008 16:59:31 -0700 | | From | Greg KH <> | | Subject | [patch 46/62] V4L: cx23885: Bugfix for concurrent use of /dev/video0 and /dev/video1 |
| |
2.6.26 -stable review patch. If anyone has any objections, please let us know.
------------------ From: Steven Toth <stoth@hauppauge.com> (cherry picked from commit 28901ab621bb56cd2aa9670dc7ce016ba80ec45c)
V4L: cx23885: Bugfix for concurrent use of /dev/video0 and /dev/video1
With the HVR1800, trying to use video0 and video1 simultaneously caused buffer corruption in the PCIe bridge. This fix reallocates video1 buffer locations to avoid the issue.
Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/media/video/cx23885/cx23885-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -104,8 +104,8 @@ static struct sram_channel cx23887_sram_ [SRAM_CH03] = { .name = "TS1 B", .cmds_start = 0x100A0, - .ctrl_start = 0x10780, - .cdt = 0x10400, + .ctrl_start = 0x10670, + .cdt = 0x10810, .fifo_start = 0x5000, .fifo_size = 0x1000, .ptr1_reg = DMA3_PTR1, --
|  |