diff options
| author | Steven Toth <stoth@kernellabs.com> | 2010-07-31 15:06:49 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 07:54:50 -0200 |
| commit | 9230acaac461c492ff9dea24bbe6a7f568b62cf6 (patch) | |
| tree | 87e073c93af1d28a88db076a13f00414857703e0 /drivers/media/video/saa7164/saa7164-buffer.c | |
| parent | 5fa56ccdacc54f5f694141c1a74f781cf77874bb (diff) | |
[media] saa7164: patches to monitor TS payload for inconsistencies
... and report errors to console. (Debugging a DMA buffering issue).
These are made optional in later patches.
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7164/saa7164-buffer.c')
| -rw-r--r-- | drivers/media/video/saa7164/saa7164-buffer.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/video/saa7164/saa7164-buffer.c b/drivers/media/video/saa7164/saa7164-buffer.c index 5fccecd588ce..0760891d5fa8 100644 --- a/drivers/media/video/saa7164/saa7164-buffer.c +++ b/drivers/media/video/saa7164/saa7164-buffer.c @@ -180,6 +180,20 @@ int saa7164_buffer_dealloc(struct saa7164_buffer *buf) return SAA_OK; } +int saa7164_buffer_zero_offsets(struct saa7164_port *port, int i) +{ + struct saa7164_dev *dev = port->dev; + + if ((i < 0) || (i >= port->hwcfg.buffercount)) + return -EINVAL; + + dprintk(DBGLVL_BUF, "%s(idx = %d)\n", __func__, i); + + saa7164_writel(port->bufoffset + (sizeof(u32) * i), 0); + + return 0; +} + /* Write a buffer into the hardware */ int saa7164_buffer_activate(struct saa7164_buffer *buf, int i) { |