Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (362 commits)
  V4L-DVB: cx88-dvb: remove extra attribution for core
  V4L/DVB: v4l: soc_camera: fix bound checking of mbus_fmt[] index
  V4L/DVB: Add support for SMT7020 to cx88
  V4L/DVB: radio-si470x: Use UTF-8 encoding on a comment
  V4L/DVB: MAINTAINERS: Telegent tlg2300 section fix
  V4L/DVB: gspca_stv06xx: Add support for camera button
  V4L/DVB: gspca_ov519: add support for the button on ov511 based cams
  V4L/DVB: gspca_ov519: Add support for the button on ov518 based cams
  V4L/DVB: gspca_ov519: add support for the button on ov519 based cams
  V4L/DVB: gspca_main: Fix a compile error when CONFIG_INPUT is not set
  V4L/DVB: gspca_main: some input error handling fixes
  V4L/DVB: gspca_main: Allow use of input device creation code for non int. inputs
  V4L/DVB: gspca_pac7302: much improved exposure control
  V4L/DVB: gspca_sonixb: Make sonixb driver handle pas106 and pas202 cameras
  V4L/DVB: gspca_sonixb: pas106: fixup bright ctrl and add gain and exposure ctrls
  V4L/DVB: Documentation: gspca.txt: update known mr97310a cams
  V4L/DVB: gspca_mr97310a: add support for the Sakar 1638x CyberPix
  V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480
  V4L/DVB: gspca_sonixb: pas202: fixup brightness ctrl and add gain and exposure ctrls
  V4L/DVB: gscpa_sonixb: Differentiate between sensors with a coarse and fine expo ctrl
  ...

1 files changed, 44 insertions, 1 deletions

diff --git a/drivers/media/video/gspca/sq905c.c b/drivers/media/video/gspca/sq905c.c
index d70b156872d..e6466205299 100644
--- a/drivers/media/video/gspca/sq905c.c
+++ b/drivers/media/video/gspca/sq905c.c
@@ -47,6 +47,7 @@ MODULE_LICENSE("GPL");
 
 /* Commands. These go in the "value" slot. */
 #define SQ905C_CLEAR   0xa0		/* clear everything */
+#define SQ905C_GET_ID  0x14f4		/* Read version number */
 #define SQ905C_CAPTURE_LOW 0xa040	/* Starts capture at 160x120 */
 #define SQ905C_CAPTURE_MED 0x1440	/* Starts capture at 320x240 */
 #define SQ905C_CAPTURE_HI 0x2840	/* Starts capture at 320x240 */
@@ -101,6 +102,26 @@ static int sq905c_command(struct gspca_dev *gspca_dev, u16 command, u16 index)
 	return 0;
 }
 
+static int sq905c_read(struct gspca_dev *gspca_dev, u16 command, u16 index,
+		       int size)
+{
+	int ret;
+
+	ret = usb_control_msg(gspca_dev->dev,
+			      usb_rcvctrlpipe(gspca_dev->dev, 0),
+			      USB_REQ_SYNCH_FRAME,		/* request */
+			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			      command, index, gspca_dev->usb_buf, size,
+			      SQ905C_CMD_TIMEOUT);
+	if (ret < 0) {
+		PDEBUG(D_ERR, "%s: usb_control_msg failed (%d)",
+		       __func__, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 /* This function is called as a workqueue function and runs whenever the camera
  * is streaming data. Because it is a workqueue function it is allowed to sleep
  * so we can use synchronous USB calls. To avoid possible collisions with other
@@ -183,13 +204,34 @@ static int sd_config(struct gspca_dev *gspca_dev,
 {
 	struct cam *cam = &gspca_dev->cam;
 	struct sd *dev = (struct sd *) gspca_dev;
+	int ret;
 
 	PDEBUG(D_PROBE,
 		"SQ9050 camera detected"
 		" (vid/pid 0x%04X:0x%04X)", id->idVendor, id->idProduct);
+
+	ret = sq905c_command(gspca_dev, SQ905C_GET_ID, 0);
+	if (ret < 0) {
+		PDEBUG(D_ERR, "Get version command failed");
+		return ret;
+	}
+
+	ret = sq905c_read(gspca_dev, 0xf5, 0, 20);
+	if (ret < 0) {
+		PDEBUG(D_ERR, "Reading version command failed");
+		return ret;
+	}
+	/* Note we leave out the usb id and the manufacturing date */
+	PDEBUG(D_PROBE,
+	       "SQ9050 ID string: %02x - %02x %02x %02x %02x %02x %02x",
+		gspca_dev->usb_buf[3],
+		gspca_dev->usb_buf[14], gspca_dev->usb_buf[15],
+		gspca_dev->usb_buf[16], gspca_dev->usb_buf[17],
+		gspca_dev->usb_buf[18], gspca_dev->usb_buf[19]);
+
 	cam->cam_mode = sq905c_mode;
 	cam->nmodes = 2;
-	if (id->idProduct == 0x9050)
+	if (gspca_dev->usb_buf[15] == 0)
 		cam->nmodes = 1;
 	/* We don't use the buffer gspca allocates so make it small. */
 	cam->bulk_size = 32;
@@ -258,6 +300,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
 static const __devinitdata struct usb_device_id device_table[] = {
 	{USB_DEVICE(0x2770, 0x905c)},
 	{USB_DEVICE(0x2770, 0x9050)},
+	{USB_DEVICE(0x2770, 0x9052)},
 	{USB_DEVICE(0x2770, 0x913d)},
 	{}
 };