diff options
Diffstat (limited to 'drivers/media/video/gspca/sq905c.c')
| -rw-r--r-- | drivers/media/video/gspca/sq905c.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/sq905c.c b/drivers/media/video/gspca/sq905c.c index d70b156872d6..e64662052992 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)}, {} }; |