[media] au8522: fix intermittent lockup of analog video decoder
It turns up the autodetection for the video standard in the au8522 is
prone to hanging the chip until a reset is performed. This condition is
trivial to reproduce simply by tuning to a station and then rapidly
unplugging/ replugging the coax feed.
Because we've never claimed to support anything other than NTSC-M, just
disable the video-standard autodetection logic and force it to always be
NTSC-M.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/au8522_decoder.c b/drivers/media/dvb/frontends/au8522_decoder.c
index 55b6390..f2e786b 100644
--- a/drivers/media/dvb/frontends/au8522_decoder.c
+++ b/drivers/media/dvb/frontends/au8522_decoder.c
@@ -257,9 +257,11 @@
au8522_writereg(state, AU8522_TVDED_DBG_MODE_REG060H,
AU8522_TVDED_DBG_MODE_REG060H_CVBS);
au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H,
- AU8522_TVDEC_FORMAT_CTRL1_REG061H_CVBS13);
+ AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 |
+ AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 |
+ AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN);
au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H,
- AU8522_TVDEC_FORMAT_CTRL2_REG062H_CVBS13);
+ AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC);
au8522_writereg(state, AU8522_TVDEC_VCR_DET_LLIM_REG063H,
AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS);
au8522_writereg(state, AU8522_TVDEC_VCR_DET_HLIM_REG064H,