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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2006-06-21 22:04:13 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2006-06-21 22:04:13 +0200 |
| commit | c3c161df40114ed8f7c0a3bebd385c173919de18 (patch) | |
| tree | 09179260d43e449a02a610132e4cddcb745c0d7d /linux/Documentation/video4linux | |
| parent | 71f2bbd7d30a3c7ea2e220dd61e37e4e05f56b95 (diff) | |
| download | mediapointer-dvb-s2-c3c161df40114ed8f7c0a3bebd385c173919de18.tar.gz mediapointer-dvb-s2-c3c161df40114ed8f7c0a3bebd385c173919de18.tar.bz2 | |
CX2341X port was always set to 'memory', but 'streaming' is also possible
From: Hans Verkuil <hverkuil@xs4all.nl>
ivtv uses the memory (DMA) interface with the CX2341X, while pvrusb2 and
cx88-blackbird use the streaming interface. This setting is now selectable
by the driver.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/Documentation/video4linux')
| -rw-r--r-- | linux/Documentation/video4linux/cx2341x/fw-encoder-api.txt | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/linux/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/linux/Documentation/video4linux/cx2341x/fw-encoder-api.txt index 58c7243d0..9834b4c76 100644 --- a/linux/Documentation/video4linux/cx2341x/fw-encoder-api.txt +++ b/linux/Documentation/video4linux/cx2341x/fw-encoder-api.txt @@ -270,11 +270,17 @@ Param[0] Name CX2341X_ENC_SET_OUTPUT_PORT Enum 187/0xBB Description - Assign stream output port (not recommended you change setting from default) + Assign stream output port. Normally 0 when the data is copied through + the PCI bus (DMA), and 1 when the data is streamed to another chip + (pvrusb and cx88-blackbird). Param[0] 0=Memory (default) 1=Streaming 2=Serial +Param[1] + Unknown, but leaving this to 0 seems to work best. Indications are that + this might have to do with USB support, although passing anything but 0 + onl breaks things. ------------------------------------------------------------------------------- |