tl5147

sce1234

我用你们提供的tl5147的例子，采用PAL制式的摄像头，有时是正常通过的能采图的，但经常会出现以下错误，请问是什么原因引起的？
: e6 f3 D; u( j  ?0 [7 ^' [9 D[   67.362524] tvp514x 1-005d: tvp5146 (Version - 0x07) found at 0xba (DaVinci I2C adapter)Found standard is support NTSC ...not detect.
4 w; T. Z; X1 xFound standard is support NTSC-M ...not detect.
; R) r. E' q9 E+ ]# A5 j6 P4 HFound standard is support NTSC-M-JP ...not detect.
Found standard is support NTSC-M-KR ...not detect.
3 M2 V9 ]; a  c7 `9 [8 [( hFound standard is support PAL ...not detect.
, O2 C9 h! d! A* \2 E1 l, |Found standard is support PAL-BG ...not detect.
# z& ?& R6 p0 Q) YFound standard is support PAL-H ...not detect.
- @, E- v- h1 [) @" h- OFound standard is support PAL-I ...not detect.
Found standard is support PAL-DK ...not detect.
8 E+ ~& p/ V% o. s5 eVIDIOC_ENUM_STD failed
: p1 k2 U4 T- D: I: ~, s: Invalid argument  
0 o5 K0 X, s5 w+ ~8 _% z
$ E' B7 g  {+ P* Q% Z+ \7 @" P
3 v: M. C7 V* V& D0 ]: n! @