1119 static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val)  in reg_w_i()  argument
1126 	gspca_dev->usb_buf[0] = val;  in reg_w_i()
1138 static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val)  in reg_w()  argument
1140 	PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val);  in reg_w()
1141 	reg_w_i(gspca_dev, reg, val);  in reg_w()
1189 static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)  in sccb_write()  argument
1191 	PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val);  in sccb_write()
1193 	reg_w_i(gspca_dev, OV534_REG_WRITE, val);  in sccb_write()
1269 	u8 val;  in setbrightness()  local
1274 		val = 0x76;  in setbrightness()
1275 		val += sval;  in setbrightness()
1276 		sccb_write(gspca_dev, 0x24, val);  in setbrightness()
1277 		val = 0x6a;  in setbrightness()
1278 		val += sval;  in setbrightness()
1279 		sccb_write(gspca_dev, 0x25, val);  in setbrightness()
1281 			val = 0x71;  in setbrightness()
1283 			val = 0x94;  in setbrightness()
1285 			val = 0xe6;  in setbrightness()
1286 		sccb_write(gspca_dev, 0x26, val);  in setbrightness()
1288 		val = brightness;  in setbrightness()
1289 		if (val < 8)  in setbrightness()
1290 			val = 15 - val;		/* f .. 8 */  in setbrightness()
1292 			val = val - 8;		/* 0 .. 7 */  in setbrightness()
1294 				0x0f | (val << 4));  in setbrightness()
1298 static void setcontrast(struct gspca_dev *gspca_dev, s32 val)  in setcontrast()  argument
1301 			val << 4);  in setcontrast()
1306 	u8 val;  in setautogain()  local
1309 	val = sccb_read(gspca_dev, 0x13);		/* com8 */  in setautogain()
1312 		val |= 0x05;		/* agc & aec */  in setautogain()
1314 		val &= 0xfa;  in setautogain()
1315 	sccb_write(gspca_dev, 0x13, val);  in setautogain()
1321 	u8 val;  in setexposure()  local
1325 	val = sccb_read(gspca_dev, 0x13);		/* com8 */  in setexposure()
1327 	sccb_write(gspca_dev, 0x13, val);  in setexposure()
1329 	val = sccb_read(gspca_dev, 0xa1);		/* aech */  in setexposure()
1331 	sccb_write(gspca_dev, 0xa1, val & 0xe0);	/* aec[15:10] = 0 */  in setexposure()
1334 static void setsharpness(struct gspca_dev *gspca_dev, s32 val)  in setsharpness()  argument
1336 	if (val < 0) {				/* auto */  in setsharpness()
1337 		val = sccb_read(gspca_dev, 0x42);	/* com17 */  in setsharpness()
1339 		sccb_write(gspca_dev, 0x42, val | 0x40);  in setsharpness()
1343 	if (val != 0)  in setsharpness()
1344 		val = 1 << (val - 1);  in setsharpness()
1346 			val);  in setsharpness()
1347 	val = sccb_read(gspca_dev, 0x42);		/* com17 */  in setsharpness()
1349 	sccb_write(gspca_dev, 0x42, val & 0xbf);  in setsharpness()
1352 static void setsatur(struct gspca_dev *gspca_dev, s32 val)  in setsatur()  argument
1363 	val1 = matrix[val][0];  in setsatur()
1364 	val2 = matrix[val][1];  in setsatur()
1381 	u8 val;  in setlightfreq()  local
1383 	val = sccb_read(gspca_dev, 0x13);		/* com8 */  in setlightfreq()
1386 		sccb_write(gspca_dev, 0x13, val & 0xdf);  in setlightfreq()
1389 	sccb_write(gspca_dev, 0x13, val | 0x20);  in setlightfreq()
1391 	val = sccb_read(gspca_dev, 0x42);		/* com17 */  in setlightfreq()
1394 		val |= 0x01;  in setlightfreq()
1396 		val &= 0xfe;  in setlightfreq()
1397 	sccb_write(gspca_dev, 0x42, val);  in setlightfreq()
1723 		setbrightness(gspca_dev, ctrl->val);  in sd_s_ctrl()
1726 		setcontrast(gspca_dev, ctrl->val);  in sd_s_ctrl()
1729 		setsatur(gspca_dev, ctrl->val);  in sd_s_ctrl()
1732 		setlightfreq(gspca_dev, ctrl->val);  in sd_s_ctrl()
1735 		setsharpness(gspca_dev, ctrl->val);  in sd_s_ctrl()
1739 			setautogain(gspca_dev, ctrl->val);  in sd_s_ctrl()
1740 		if (!ctrl->val && gspca_dev->exposure->is_new)  in sd_s_ctrl()
1741 			setexposure(gspca_dev, gspca_dev->exposure->val);  in sd_s_ctrl()