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Commit 8b3a19b1 authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
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[media] gspca_sonixb: Fix OV7630 gain control 



The ov7630's gain is weird, at 32 the gain drops to the same level as at 16,
so skip 32-47 (of the 0-63 scale).

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 9153ac3b

drivers/media/video/gspca/sonixb.c

+11 −1
Original line number Diff line number Diff line
@@ -630,6 +630,13 @@ static void setgain(struct gspca_dev *gspca_dev) 
	case SENSOR_OV7630: {

		__u8 i2c[] = {0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};



		/*

		 * The ov7630's gain is weird, at 32 the gain drops to the

		 * same level as at 16, so skip 32-47 (of the 0-63 scale).

		 */

		if (sd->sensor == SENSOR_OV7630 && gain >= 32)

			gain += 16;



		i2c[1] = sensor_data[sd->sensor].sensor_addr;

		i2c[3] = gain;

		i2c_w(gspca_dev, i2c);
@@ -1017,8 +1024,11 @@ static int sd_init_controls(struct gspca_dev *gspca_dev) 
		gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

					V4L2_CID_GAIN, 0, 31, 1, 15);

		break;

	case SENSOR_HV7131D:

	case SENSOR_OV7630:

		gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

					V4L2_CID_GAIN, 0, 47, 1, 31);

		break;

	case SENSOR_HV7131D:

		gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

					V4L2_CID_GAIN, 0, 63, 1, 31);

		break;