diff options
Diffstat (limited to 'drivers/media/video/gspca/stv0680.c')
| -rw-r--r-- | drivers/media/video/gspca/stv0680.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/media/video/gspca/stv0680.c b/drivers/media/video/gspca/stv0680.c index 2a69d7ccb50..e50dd7693f7 100644 --- a/drivers/media/video/gspca/stv0680.c +++ b/drivers/media/video/gspca/stv0680.c @@ -45,7 +45,7 @@ struct sd { }; /* V4L2 controls supported by the driver */ -static struct ctrl sd_ctrls[] = { +static const struct ctrl sd_ctrls[] = { }; static int stv_sndctrl(struct gspca_dev *gspca_dev, int set, u8 req, u16 val, @@ -53,24 +53,28 @@ static int stv_sndctrl(struct gspca_dev *gspca_dev, int set, u8 req, u16 val, { int ret = -1; u8 req_type = 0; + unsigned int pipe = 0; switch (set) { case 0: /* 0xc1 */ req_type = USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT; + pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); break; case 1: /* 0x41 */ req_type = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT; + pipe = usb_sndctrlpipe(gspca_dev->dev, 0); break; case 2: /* 0x80 */ req_type = USB_DIR_IN | USB_RECIP_DEVICE; + pipe = usb_rcvctrlpipe(gspca_dev->dev, 0); break; case 3: /* 0x40 */ req_type = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; + pipe = usb_sndctrlpipe(gspca_dev->dev, 0); break; } - ret = usb_control_msg(gspca_dev->dev, - usb_rcvctrlpipe(gspca_dev->dev, 0), + ret = usb_control_msg(gspca_dev->dev, pipe, req, req_type, val, 0, gspca_dev->usb_buf, size, 500); @@ -138,6 +142,10 @@ static int sd_config(struct gspca_dev *gspca_dev, struct sd *sd = (struct sd *) gspca_dev; struct cam *cam = &gspca_dev->cam; + /* Give the camera some time to settle, otherwise initalization will + fail on hotplug, and yes it really needs a full second. */ + msleep(1000); + /* ping camera to be sure STV0680 is present */ if (stv_sndctrl(gspca_dev, 0, 0x88, 0x5678, 0x02) != 0x02 || gspca_dev->usb_buf[0] != 0x56 || gspca_dev->usb_buf[1] != 0x78) { @@ -169,6 +177,8 @@ static int sd_config(struct gspca_dev *gspca_dev, PDEBUG(D_PROBE, "Camera supports CIF mode"); if (gspca_dev->usb_buf[7] & 0x02) PDEBUG(D_PROBE, "Camera supports VGA mode"); + if (gspca_dev->usb_buf[7] & 0x04) + PDEBUG(D_PROBE, "Camera supports QCIF mode"); if (gspca_dev->usb_buf[7] & 0x08) PDEBUG(D_PROBE, "Camera supports QVGA mode"); |