diff options
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/gspca/cpia1.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/media/usb/gspca/cpia1.c b/drivers/media/usb/gspca/cpia1.c index 2b09af8865f4..23fbda56fc91 100644 --- a/drivers/media/usb/gspca/cpia1.c +++ b/drivers/media/usb/gspca/cpia1.c @@ -547,10 +547,14 @@ static int do_command(struct gspca_dev *gspca_dev, u16 command, } if (sd->params.qx3.button) { /* button pressed - unlock the latch */ - do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, + ret = do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, 3, 0xdf, 0xdf, 0); - do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, + if (ret) + return ret; + ret = do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, 3, 0xff, 0xff, 0); + if (ret) + return ret; } /* test whether microscope is cradled */ |