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authorHans Verkuil <hverkuil@xs4all.nl>2007-01-22 18:27:47 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-02-21 13:34:48 -0200
commita63ad325c337ba634824cefe54f7ac52ee554b72 (patch)
tree2d53a0a03b048d83ec5dd09e0ea4933cbf8d3448 /Documentation/video4linux/cx2341x/fw-encoder-api.txt
parent5cc1dd8c3d8f80dbdce4d2e981a5e452af4b4529 (diff)
V4L/DVB (5119): Various cx2341x documentation updates/fixes.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'Documentation/video4linux/cx2341x/fw-encoder-api.txt')
-rw-r--r--Documentation/video4linux/cx2341x/fw-encoder-api.txt10
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
index fe02bdb8459..e499cc07fe3 100644
--- a/Documentation/video4linux/cx2341x/fw-encoder-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
@@ -498,12 +498,14 @@ Name CX2341X_ENC_GET_PREV_DMA_INFO_MB_9
Enum 203/0xCB
Description
Returns information on the previous DMA transfer in conjunction with
- bit 27 of the interrupt mask. Uses mailbox 9.
+ bit 27 or 18 of the interrupt mask. Uses mailbox 9.
Result[0]
Status bits:
- Bit 0 set indicates transfer complete
- Bit 2 set indicates transfer error
- Bit 4 set indicates linked list error
+ 0 read completed
+ 1 write completed
+ 2 DMA read error
+ 3 DMA write error
+ 4 Scatter-Gather array error
Result[1]
DMA type
Result[2]