staging: comedi: me4000: don't clobber command flags

The low-level Comedi drivers shouldn't change the `flags` member of
`struct comedi_cmd` as the Comedi core also uses some of those flags.
They should just ignore the flags they don't understand.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c
index b5115d8d6170f0289add1e95a3836d9778275496..728447123b4c7763083b02747db053056c0757b7 100644 (file)
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -833,9 +833,6 @@ static int me4000_ai_do_cmd_test(struct comedi_device *dev,
        unsigned int scan_ticks;
        int err = 0;
 
-       /* Only rounding flags are implemented */
-       cmd->flags &= CMDF_ROUND_NEAREST | CMDF_ROUND_UP | CMDF_ROUND_DOWN;
-
        /* Round the timer arguments */
        ai_round_cmd_args(dev, s, cmd, &init_ticks, &scan_ticks, &chan_ticks);