[media] gspca - nw80x: Get the sensor ID when bridge et31x110

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/nw80x.c

@@ -1768,6 +1768,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
 	 * If 0x0500 does not exist => NW802
 	 * If it does, test 0x109b. If it doesn't exist,
 	 * then it's a NW801. Else, a NW800
+	 * If a et31x110 (nw800 and 06a5:d800)
+	 *	get the sensor ID
 	 */
 	if (!nw802_test_reg(gspca_dev, 0x0500, 0x55)) {
 		sd->bridge = BRIDGE_NW802;
@@ -1777,6 +1779,24 @@ static int sd_config(struct gspca_dev *gspca_dev,
 		sd->bridge = BRIDGE_NW801;
 		if (sd->webcam == Generic800)
 			sd->webcam = P35u;
+	} else if (id->idVendor == 0x06a5 && id->idProduct == 0xd800) {
+		reg_r(gspca_dev, 0x0403, 1);		/* GPIO */
+		PDEBUG(D_PROBE, "et31x110 sensor type %02x",
+				gspca_dev->usb_buf[0]);
+		switch (gspca_dev->usb_buf[0] >> 1) {
+		case 0x00:				/* ?? */
+			if (sd->webcam == Generic800)
+				sd->webcam = SpaceCam;
+			break;
+		case 0x01:				/* Hynix? */
+			if (sd->webcam == Generic800)
+				sd->webcam = Twinkle;
+			break;
+		case 0x0a:				/* Pixart */
+			if (sd->webcam == Generic800)
+				sd->webcam = SpaceCam2;
+			break;
+		}
 	}
 	if (webcam_chip[sd->webcam] != sd->bridge) {
 		err("Bad webcam type %d for NW80%d", sd->webcam, sd->bridge);