From 867bc6cccc511ccbf40609ccb6ede2aafdeb922e Mon Sep 17 00:00:00 2001 From: Hartmut Hackmann Date: Tue, 22 Apr 2008 14:46:07 -0300 Subject: V4L/DVB (7390): saa7134: clear audio DSP interface after access error In the case of an access error to the high latency registers of the audio DSP, the interface needs to be cleared, otherwise a cascade of errors occurs. This patch is closely modeled after a proposal by Mirek Slugen Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa7134-reg.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/media/video/saa7134/saa7134-reg.h') diff --git a/drivers/media/video/saa7134/saa7134-reg.h b/drivers/media/video/saa7134/saa7134-reg.h index ac6431ba4fc..86f5eefdb0f 100644 --- a/drivers/media/video/saa7134/saa7134-reg.h +++ b/drivers/media/video/saa7134/saa7134-reg.h @@ -365,6 +365,9 @@ #define SAA7135_DSP_RWSTATE_RDB (1 << 1) #define SAA7135_DSP_RWSTATE_WRR (1 << 0) +#define SAA7135_DSP_RWCLEAR 0x586 +#define SAA7135_DSP_RWCLEAR_RERR 1 + /* ------------------------------------------------------------------ */ /* * Local variables: -- cgit v1.2.3