Commit 28901ab621bb56cd2aa9670dc7ce016ba80ec45c

Authored by Steven Toth
Committed by Mauro Carvalho Chehab
1 parent 35f92b2af8

V4L/DVB (8464): 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>

Showing 1 changed file with 2 additions and 2 deletions Side-by-side Diff

drivers/media/video/cx23885/cx23885-core.c
... ... @@ -104,8 +104,8 @@
104 104 [SRAM_CH03] = {
105 105 .name = "TS1 B",
106 106 .cmds_start = 0x100A0,
107   - .ctrl_start = 0x10780,
108   - .cdt = 0x10400,
  107 + .ctrl_start = 0x10670,
  108 + .cdt = 0x10810,
109 109 .fifo_start = 0x5000,
110 110 .fifo_size = 0x1000,
111 111 .ptr1_reg = DMA3_PTR1,