[media] gspca_sn9c20x: Add hflip and vflip controls for the ov7660 sensor

Tested with a camera with usb-id: 0c45:62bb

Also enable dmi based flopped laptop detection for the 0c45:627b ov7660 model.
Some of the MSI laptops with upside down camera have this one instead of the
0c45:624f.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 13 insertions, 3 deletions

diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 40e316ac3951..ccc89c113bad 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -1335,8 +1335,6 @@ static int ov7660_init_sensor(struct gspca_dev *gspca_dev)
                         return -ENODEV;
                 }
         }
-        /* disable hflip and vflip */
-        gspca_dev->ctrl_dis = (1 << HFLIP_IDX) | (1 << VFLIP_IDX);
         sd->hstart = 3;
         sd->vstart = 3;
         return 0;
@@ -1611,6 +1609,18 @@ static int set_hvflip(struct gspca_dev *gspca_dev)
         }
 
         switch (sd->sensor) {
+        case SENSOR_OV7660:
+                value = 0x01;
+                if (hflip)
+                        value |= 0x20;
+                if (vflip) {
+                        value |= 0x10;
+                        sd->vstart = 2;
+                } else
+                        sd->vstart = 3;
+                reg_w1(gspca_dev, 0x1182, sd->vstart);
+                i2c_w1(gspca_dev, 0x1e, value);
+                break;
         case SENSOR_OV9650:
                 i2c_r1(gspca_dev, 0x1e, &value);
                 value &= ~0x30;
@@ -2485,7 +2495,7 @@ static const struct usb_device_id device_table[] = {
         {USB_DEVICE(0x0c45, 0x6253), SN9C20X(OV9650, 0x30, 0)},
         {USB_DEVICE(0x0c45, 0x6260), SN9C20X(OV7670, 0x21, 0)},
         {USB_DEVICE(0x0c45, 0x6270), SN9C20X(MT9VPRB, 0x00, 0)},
-        {USB_DEVICE(0x0c45, 0x627b), SN9C20X(OV7660, 0x21, 0)},
+        {USB_DEVICE(0x0c45, 0x627b), SN9C20X(OV7660, 0x21, FLIP_DETECT)},
         {USB_DEVICE(0x0c45, 0x627c), SN9C20X(HV7131R, 0x11, 0)},
         {USB_DEVICE(0x0c45, 0x627f), SN9C20X(OV9650, 0x30, 0)},
         {USB_DEVICE(0x0c45, 0x6280), SN9C20X(MT9M001, 0x5d, 0)},