diff options
Diffstat (limited to 'Documentation/video4linux/cx2341x/fw-encoder-api.txt')
| -rw-r--r-- | Documentation/video4linux/cx2341x/fw-encoder-api.txt | 10 |
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 fe02bdb84598..e499cc07fe3d 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] |