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Commit 10bb7530 authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
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V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480 



In 640x480, if the reg11 has less than 4, the image is
unstable (the bridge goes into a higher compression mode
which we have not reverse engineered yet).

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 82e839c9

drivers/media/video/gspca/sonixb.c

+5 −4
Original line number Diff line number Diff line
@@ -809,10 +809,11 @@ static void setexposure(struct gspca_dev *gspca_dev) 
		else if (reg11 > 16)

			reg11 = 16;



		/* In 640x480, if the reg11 has less than 3, the image is

		   unstable (not enough bandwidth). */

		if (gspca_dev->width == 640 && reg11 < 3)

			reg11 = 3;

		/* In 640x480, if the reg11 has less than 4, the image is

		   unstable (the bridge goes into a higher compression mode

		   which we have not reverse engineered yet). */

		if (gspca_dev->width == 640 && reg11 < 4)

			reg11 = 4;



		/* frame exposure time in ms = 1000 * reg11 / 30    ->

		reg10 = (sd->exposure / 2) * reg10_max / (1000 * reg11 / 30) */