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-rw-r--r--Documentation/video4linux/cx2341x/fw-encoder-api.txt19
-rw-r--r--include/media/cx2341x.h2
2 files changed, 11 insertions, 10 deletions
diff --git a/Documentation/video4linux/cx2341x/fw-encoder-api.txt b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
index 242104ce5b6..5dd3109a8b3 100644
--- a/Documentation/video4linux/cx2341x/fw-encoder-api.txt
+++ b/Documentation/video4linux/cx2341x/fw-encoder-api.txt
@@ -663,12 +663,13 @@ Param[0]
-------------------------------------------------------------------------------
-Name CX2341X_ENC_UNKNOWN
+Name CX2341X_ENC_SET_VERT_CROP_LINE
Enum 219/0xDB
Description
- Unknown API, it's used by Hauppauge though.
+ Something to do with 'Vertical Crop Line'
Param[0]
- 0 This is the value Hauppauge uses, Unknown what it means.
+ If saa7114 and raw VBI capture and 60 Hz, then set to 10001.
+ Else 0.
-------------------------------------------------------------------------------
@@ -682,11 +683,9 @@ Param[0]
Command number:
1=set initial SCR value when starting encoding (works).
2=set quality mode (apparently some test setting).
- 3=setup advanced VIM protection handling (supposedly only for the cx23416
- for raw YUV).
- Actually it looks like this should be 0 for saa7114/5 based card and 1
- for cx25840 based cards.
- 4=generate artificial PTS timestamps
+ 3=setup advanced VIM protection handling.
+ Always 1 for the cx23416 and 0 for cx23415.
+ 4=generate DVD compatible PTS timestamps
5=USB flush mode
6=something to do with the quantization matrix
7=set navigation pack insertion for DVD: adds 0xbf (private stream 2)
@@ -698,7 +697,9 @@ Param[0]
9=set history parameters of the video input module
10=set input field order of VIM
11=set quantization matrix
- 12=reset audio interface
+ 12=reset audio interface after channel change or input switch (has no argument).
+ Needed for the cx2584x, not needed for the mspx4xx, but it doesn't seem to
+ do any harm calling it regardless.
13=set audio volume delay
14=set audio delay
diff --git a/include/media/cx2341x.h b/include/media/cx2341x.h
index 583b0621ff4..38c12fed753 100644
--- a/include/media/cx2341x.h
+++ b/include/media/cx2341x.h
@@ -166,7 +166,7 @@ void cx2341x_log_status(struct cx2341x_mpeg_params *p, const char *prefix);
#define CX2341X_ENC_SET_PLACEHOLDER 0xd7
#define CX2341X_ENC_MUTE_VIDEO 0xd9
#define CX2341X_ENC_MUTE_AUDIO 0xda
-#define CX2341X_ENC_UNKNOWN 0xdb
+#define CX2341X_ENC_SET_VERT_CROP_LINE 0xdb
#define CX2341X_ENC_MISC 0xdc
/* OSD API, specific to the cx23415 */