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Commit f9d7d787 authored by Anatolij Gustschin's avatar Anatolij Gustschin Committed by Mauro Carvalho Chehab
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[media] saa7115: allow input standard autodetection for more chips 



Autodetect input's standard using field frequency detection
feature (FIDT in status byte at 0x1F) of the chips saa7111/
saa7111a/saa7113/saa7114/saa7118.

Signed-off-by: default avatarAnatolij Gustschin <agust@denx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 641d2116

drivers/media/video/saa7115.c

+10 −1
Original line number Diff line number Diff line
@@ -1348,8 +1348,17 @@ static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) 
	int reg1e;



	*std = V4L2_STD_ALL;

	if (state->ident != V4L2_IDENT_SAA7115)

	if (state->ident != V4L2_IDENT_SAA7115) {

		int reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC);



		if (reg1f & 0x20)

			*std = V4L2_STD_525_60;

		else

			*std = V4L2_STD_625_50;



		return 0;

	}



	reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC);



	switch (reg1e & 0x03) {