V4L/DVB (8667): gspca: Bad probe of Z-Star/Vimicro webcams with pas106 sensor.

This patch moves the detection of the 2wr SIF pas106b sensor to before
detecting other sensors.
Patch change by jfm: Check SIF for identified webcams only.

Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 17 insertions, 14 deletions

diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index bc7d0eedcd81..d36f4d7d22b7 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -6964,8 +6964,13 @@ static int zcxx_probeSensor(struct gspca_dev *gspca_dev)
         case SENSOR_MC501CB:
                 return -1;              /* don't probe */
         case SENSOR_TAS5130C_VF0250:
-                                /* may probe but with write in reg 0x0010 */
+                        /* may probe but with no write in reg 0x0010 */
                 return -1;              /* don't probe */
+        case SENSOR_PAS106:
+                sensor =  sif_probe(gspca_dev);
+                if (sensor >= 0)
+                        return sensor;
+                break;
         }
         sensor = vga_2wr_probe(gspca_dev);
         if (sensor >= 0) {
@@ -6974,12 +6979,10 @@ static int zcxx_probeSensor(struct gspca_dev *gspca_dev)
                 /* next probe is needed for OmniVision ? */
         }
         sensor2 = vga_3wr_probe(gspca_dev);
-        if (sensor2 >= 0) {
-                if (sensor >= 0)
-                        return sensor;
-                return sensor2;
-        }
-        return sif_probe(gspca_dev);
+        if (sensor2 >= 0
+            && sensor >= 0)
+                return sensor;
+        return sensor2;
 }
 
 /* this function is called at probe time */
@@ -7502,14 +7505,14 @@ static const __devinitdata struct usb_device_id device_table[] = {
         {USB_DEVICE(0x041e, 0x041e)},
 #ifndef CONFIG_USB_ZC0301
         {USB_DEVICE(0x041e, 0x4017)},
-        {USB_DEVICE(0x041e, 0x401c)},
+        {USB_DEVICE(0x041e, 0x401c), .driver_info = SENSOR_PAS106},
         {USB_DEVICE(0x041e, 0x401e)},
         {USB_DEVICE(0x041e, 0x401f)},
 #endif
         {USB_DEVICE(0x041e, 0x4029)},
 #ifndef CONFIG_USB_ZC0301
-        {USB_DEVICE(0x041e, 0x4034)},
-        {USB_DEVICE(0x041e, 0x4035)},
+        {USB_DEVICE(0x041e, 0x4034), .driver_info = SENSOR_PAS106},
+        {USB_DEVICE(0x041e, 0x4035), .driver_info = SENSOR_PAS106},
         {USB_DEVICE(0x041e, 0x4036)},
         {USB_DEVICE(0x041e, 0x403a)},
 #endif
@@ -7541,10 +7544,10 @@ static const __devinitdata struct usb_device_id device_table[] = {
         {USB_DEVICE(0x046d, 0x08d8)},
         {USB_DEVICE(0x046d, 0x08da)},
         {USB_DEVICE(0x046d, 0x08dd), .driver_info = SENSOR_MC501CB},
-        {USB_DEVICE(0x0471, 0x0325)},
-        {USB_DEVICE(0x0471, 0x0326)},
-        {USB_DEVICE(0x0471, 0x032d)},
-        {USB_DEVICE(0x0471, 0x032e)},
+        {USB_DEVICE(0x0471, 0x0325), .driver_info = SENSOR_PAS106},
+        {USB_DEVICE(0x0471, 0x0326), .driver_info = SENSOR_PAS106},
+        {USB_DEVICE(0x0471, 0x032d), .driver_info = SENSOR_PAS106},
+        {USB_DEVICE(0x0471, 0x032e), .driver_info = SENSOR_PAS106},
         {USB_DEVICE(0x055f, 0xc005)},
 #ifndef CONFIG_USB_ZC0301
         {USB_DEVICE(0x055f, 0xd003)},