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Commit 3a1ea705 authored by Jean-Francois Moine's avatar Jean-Francois Moine Committed by Mauro Carvalho Chehab
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V4L/DVB (8705): gspca: Adjust some control limits in spca561. 



Signed-off-by: default avatarJean-Francois Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent d698dc6b

drivers/media/video/gspca/spca561.c

+8 −10
Original line number Diff line number Diff line
@@ -38,9 +38,9 @@ struct sd { 
#define CONTRAST_MAX 0x3fff



	__u16 exposure;			/* rev12a only */

#define EXPOSURE_MIN 0x2001

#define EXPOSURE_DEF 0x20ae

#define EXPOSURE_MAX 0x421d

#define EXPOSURE_MIN 0

#define EXPOSURE_DEF 200

#define EXPOSURE_MAX 762



	__u8 brightness;		/* rev72a only */

#define BRIGHTNESS_MIN 0
@@ -48,7 +48,7 @@ struct sd { 
#define BRIGHTNESS_MAX 63



	__u8 white;			/* rev12a only */

#define WHITE_MIN 0

#define WHITE_MIN 1

#define WHITE_DEF 0x40

#define WHITE_MAX 0x7f
@@ -608,10 +608,6 @@ static void setwhite(struct gspca_dev *gspca_dev) 
	__u8 reg8614, reg8616;



	white = sd->white;

	if (sd->white == 0) {

		PDEBUG(D_CONF, "Discarding null whiteness");

		return;

	}

	/* try to emulate MS-win as possible */

	reg8616 = 0x90 - white * 5 / 8;

	reg_w_val(gspca_dev->dev, 0x8616, reg8616);
@@ -623,10 +619,12 @@ static void setwhite(struct gspca_dev *gspca_dev) 
static void setexposure(struct gspca_dev *gspca_dev)

{

	struct sd *sd = (struct sd *) gspca_dev;

	int expo;

	__u8 data[2];



	data[0] = sd->exposure;

	data[1] = sd->exposure >> 8;

	expo = sd->exposure + 0x20a8;	/* from test */

	data[0] = expo;

	data[1] = expo >> 8;

	reg_w_buf(gspca_dev, 0x8309, data, 2);

}