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-rw-r--r--Documentation/video4linux/bttv/Insmod-options3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/video4linux/bttv/Insmod-options b/Documentation/video4linux/bttv/Insmod-options
index 7bb5a50b077..fc94ff235ff 100644
--- a/Documentation/video4linux/bttv/Insmod-options
+++ b/Documentation/video4linux/bttv/Insmod-options
@@ -44,6 +44,9 @@ bttv.o
push used by bttv. bttv will disable overlay
by default on this hardware to avoid crashes.
With this insmod option you can override this.
+ no_overlay=1 Disable overlay. It should be used by broken
+ hardware that doesn't support PCI2PCI direct
+ transfers.
automute=0/1 Automatically mutes the sound if there is
no TV signal, on by default. You might try
to disable this if you have bad input signal