[media] gspca_sonixj: Add a small delay after i2c_w1

We already have the same delay in i2c_w8, but it was missing from i2c_w1,
adding this delay fixes the Microsoft VX-3000 camera often (but not always)
streaming video data with a very green-ish tint.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/gspca/sonixj.c

@@ -1550,6 +1550,7 @@ static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 			0,
 			gspca_dev->usb_buf, 8,
 			500);
+	msleep(2);
 	if (ret < 0) {
 		pr_err("i2c_w1 err %d\n", ret);
 		gspca_dev->usb_err = ret;