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? / G a5 y. e$ E; {) a7 @[ 67.362524] tvp514x 1-005d: tvp5146 (Version - 0x07) found at 0xba (DaVinci I2C adapter)Found standard is support NTSC ...not detect. : E" v5 p" B0 y9 T6 E8 _* i# RFound standard is support NTSC-M ...not detect. ! L- \: n, K1 L# q3 |9 A J# Z7 DFound standard is support NTSC-M-JP ...not detect. G7 u! j& @8 K7 B: I7 S4 n$ ?# ]6 KFound standard is support NTSC-M-KR ...not detect.7 p o. V8 b9 ]" g" i1 {- i' ?: c
Found standard is support PAL ...not detect.- n: \/ G; A+ S8 S& l
Found standard is support PAL-BG ...not detect. $ [. ~3 P; }+ C' c7 p& B! ~Found standard is support PAL-H ...not detect./ K! M1 h3 O$ D. }8 z
Found standard is support PAL-I ...not detect.9 G6 A/ p7 V) L
Found standard is support PAL-DK ...not detect.* w6 c+ |7 z4 K/ q( p- U' w. j# J5 b
VIDIOC_ENUM_STD failed 0 N4 \1 v3 N" I( [: Invalid argument ; ^* n3 {7 ?' c* Q7 v+ S