Patch to support this sensor, with id code 0x0802, on the t613
driver. I just sniffed the values from the driver that came with mine,
and made the proper extensions to the original code.

Signed-off-by: Nicolau Werneck <nwern...@gmail.com>
diff -Nru gspca-54a57b75f98c/linux/drivers/media/video/gspca/t613.c 
gspca-54a57b75f98c-dev/linux/drivers/media/video/gspca/t613.c
--- gspca-54a57b75f98c/linux/drivers/media/video/gspca/t613.c   2009-12-30 
02:53:07.000000000 -0500
+++ gspca-54a57b75f98c-dev/linux/drivers/media/video/gspca/t613.c       
2009-12-30 10:52:47.000000000 -0500
@@ -52,6 +52,7 @@
 #define SENSOR_OM6802 0
 #define SENSOR_OTHER 1
 #define SENSOR_TAS5130A 2
+#define SENSOR_LT168G 3     /* must verify if this is the actual model */
 };
 
 /* V4L2 controls supported by the driver */
@@ -306,6 +307,17 @@
        0xbe, 0x36, 0xbf, 0xff, 0xc2, 0x88, 0xc5, 0xc8,
        0xc6, 0xda
 };
+static const u8 n4_lt168g[] = {
+       0x66, 0x01, 0x7f, 0x00, 0x80, 0x7c, 0x81, 0x28,
+       0x83, 0x44, 0x84, 0x20, 0x86, 0x20, 0x8a, 0x70,
+       0x8b, 0x58, 0x8c, 0x88, 0x8d, 0xa0, 0x8e, 0xb3,
+       0x8f, 0x24, 0xa1, 0xb0, 0xa2, 0x38, 0xa5, 0x20,
+       0xa6, 0x4a, 0xa8, 0xe8, 0xaf, 0x38, 0xb0, 0x68,
+       0xb1, 0x44, 0xb2, 0x88, 0xbb, 0x86, 0xbd, 0x40,
+       0xbe, 0x26, 0xc1, 0x05, 0xc2, 0x88, 0xc5, 0xc0,
+       0xda, 0x8e, 0xdb, 0xca, 0xdc, 0xa8, 0xdd, 0x8c,
+       0xde, 0x44, 0xdf, 0x0c, 0xe9, 0x80
+};
 
 static const struct additional_sensor_data sensor_data[] = {
     {                          /* 0: OM6802 */
@@ -422,6 +434,23 @@
        .stream =
                {0x0b, 0x04, 0x0a, 0x40},
     },
+    {                          /* 3: LT168G */
+       .n3 = {0x61, 0xc2, 0x65, 0x68, 0x60, 0x00},
+       .n4 = n4_lt168g,
+       .n4sz = sizeof n4_lt168g,
+       .reg80 = 0x7c,
+       .reg8e = 0xb3,
+       .nset8 = {0xa8, 0xf0, 0xc6, 0xba, 0xc0, 0x00},
+       .data1 = {0xc0, 0x38, 0x08, 0x10, 0xc0, 0x30, 0x10, 0x40,
+                0xb0, 0xf4},
+       .data2 = {0x40, 0x80, 0xc0, 0x50, 0xa0, 0xf0, 0x53, 0xa6,
+                0xff},
+       .data3 = {0x40, 0x80, 0xc0, 0x50, 0xa0, 0xf0, 0x53, 0xa6,
+                0xff},
+       .data4 = {0x66, 0x41, 0xa8, 0xf0},
+       .data5 = {0x0c, 0x03, 0xab, 0x4b, 0x81, 0x2b},
+       .stream = {0x0b, 0x04, 0x0a, 0x28},
+    },
 };
 
 #define MAX_EFFECTS 7
@@ -758,6 +787,10 @@
                PDEBUG(D_PROBE, "sensor tas5130a");
                sd->sensor = SENSOR_TAS5130A;
                break;
+       case 0x0802:
+               PDEBUG(D_PROBE, "sensor lt168g");
+               sd->sensor = SENSOR_LT168G;
+               break;
        case 0x0803:
                PDEBUG(D_PROBE, "sensor 'other'");
                sd->sensor = SENSOR_OTHER;
@@ -800,6 +833,13 @@
        reg_w_buf(gspca_dev, sensor->n3, sizeof sensor->n3);
        reg_w_buf(gspca_dev, sensor->n4, sensor->n4sz);
 
+       if (sd->sensor == SENSOR_LT168G) {
+               test_byte = reg_r(gspca_dev, 0x80);
+               PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", 0x80,
+                      test_byte);
+               reg_w(gspca_dev, 0x6c80);
+       }
+
        reg_w_ixbuf(gspca_dev, 0xd0, sensor->data1, sizeof sensor->data1);
        reg_w_ixbuf(gspca_dev, 0xc7, sensor->data2, sizeof sensor->data2);
        reg_w_ixbuf(gspca_dev, 0xe0, sensor->data3, sizeof sensor->data3);
@@ -824,6 +864,13 @@
        reg_w_buf(gspca_dev, sensor->nset8, sizeof sensor->nset8);
        reg_w_buf(gspca_dev, sensor->stream, sizeof sensor->stream);
 
+       if (sd->sensor == SENSOR_LT168G) {
+               test_byte = reg_r(gspca_dev, 0x80);
+               PDEBUG(D_STREAM, "Reg 0x%02x = 0x%02x", 0x80,
+                      test_byte);
+               reg_w(gspca_dev, 0x6c80);
+       }
+
        reg_w_ixbuf(gspca_dev, 0xd0, sensor->data1, sizeof sensor->data1);
        reg_w_ixbuf(gspca_dev, 0xc7, sensor->data2, sizeof sensor->data2);
        reg_w_ixbuf(gspca_dev, 0xe0, sensor->data3, sizeof sensor->data3);
@@ -930,6 +977,8 @@
        case SENSOR_OM6802:
                om6802_sensor_init(gspca_dev);
                break;
+       case SENSOR_LT168G:
+               break;
        case SENSOR_OTHER:
                break;
        default:

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