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Commit 22203676 authored by Jean-François Moine's avatar Jean-François Moine Committed by Mauro Carvalho Chehab
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[media] gspca - sonixj: Adjust autogain for sensor mt9v111 



The gain/expo adjustment was too long.

Signed-off-by: default avatarJean-François Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 80463220

drivers/media/video/gspca/sonixj.c

+9 −6
Original line number Diff line number Diff line
@@ -1939,10 +1939,10 @@ static u32 setexposure(struct gspca_dev *gspca_dev, 
		u8 expo_c1[] =

			{ 0xb1, 0x5c, 0x09, 0x00, 0x00, 0x00, 0x00, 0x10 };



		if (expo > 0x0280)

			expo = 0x0280;

		else if (expo < 0x0040)

			expo = 0x0040;

		if (expo > 0x0390)

			expo = 0x0390;

		else if (expo < 0x0060)

			expo = 0x0060;

		expo_c1[3] = expo >> 8;

		expo_c1[4] = expo;

		i2c_w8(gspca_dev, expo_c1);
@@ -1999,10 +1999,13 @@ static void setbrightness(struct gspca_dev *gspca_dev) 
		sd->exposure = setexposure(gspca_dev, expo);

		break;

	case SENSOR_GC0307:

	case SENSOR_MT9V111:

		expo = brightness;

		sd->exposure = setexposure(gspca_dev, expo);

		return;			/* don't set the Y offset */

	case SENSOR_MT9V111:

		expo = brightness << 2;

		sd->exposure = setexposure(gspca_dev, expo);

		return;			/* don't set the Y offset */

	case SENSOR_OM6802:

		expo = brightness << 2;

		sd->exposure = setexposure(gspca_dev, expo);
@@ -2750,6 +2753,7 @@ static void do_autogain(struct gspca_dev *gspca_dev) 
					(unsigned int) (expotimes << 8));

			break;

		case SENSOR_OM6802:

		case SENSOR_MT9V111:

			expotimes = sd->exposure;

			expotimes += (luma_mean - delta) >> 2;

			if (expotimes < 0)
@@ -2762,7 +2766,6 @@ static void do_autogain(struct gspca_dev *gspca_dev) 
/*		case SENSOR_MO4000: */

/*		case SENSOR_MI0360: */

/*		case SENSOR_MI0360B: */

/*		case SENSOR_MT9V111: */

			expotimes = sd->exposure;

			expotimes += (luma_mean - delta) >> 6;

			if (expotimes < 0)