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Commit a8931d59 authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
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[media] gscpa_spca561: Add brightness control for rev12a cams 



Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 9a3dafe4

drivers/media/video/gspca/spca561.c

+13 −6
Original line number Diff line number Diff line
@@ -463,16 +463,21 @@ static int sd_init_72a(struct gspca_dev *gspca_dev) 
	return 0;

}



/* rev 72a only */

static void setbrightness(struct gspca_dev *gspca_dev, s32 val)

{

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

	struct usb_device *dev = gspca_dev->dev;

	__u16 reg;



	/* offsets for white balance */

	reg_w_val(dev, 0x8611, val);		/* R */

	reg_w_val(dev, 0x8612, val);		/* Gr */

	reg_w_val(dev, 0x8613, val);		/* B */

	reg_w_val(dev, 0x8614, val);		/* Gb */

	if (sd->chip_revision == Rev012A)

		reg = 0x8610;

	else

		reg = 0x8611;



	reg_w_val(dev, reg + 0, val);		/* R */

	reg_w_val(dev, reg + 1, val);		/* Gr */

	reg_w_val(dev, reg + 2, val);		/* B */

	reg_w_val(dev, reg + 3, val);		/* Gb */

}



static void setwhite(struct gspca_dev *gspca_dev, s32 white, s32 contrast)
@@ -814,6 +819,8 @@ static int sd_init_controls_12a(struct gspca_dev *gspca_dev) 
	v4l2_ctrl_handler_init(hdl, 3);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_HUE, 1, 0x7f, 1, 0x40);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_EXPOSURE, 1, EXPOSURE_MAX, 1, 700);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,