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| author |   Spencer E. Olson <olsonse@umich.edu> | 2018-10-24 08:46:59 -0600 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-07 13:08:28 +0100 |
| commit | 9a1ec4eb6f3722a65a267bb7d14c371d73f66c5b (patch) | |
| tree | 3b66bdfc55d1af3901741d15ae9af29ad0e3303e /drivers/staging/comedi | |
| parent | Linux 4.20-rc1 (diff) | |
| download | linux-dev-9a1ec4eb6f3722a65a267bb7d14c371d73f66c5b.tar.xz linux-dev-9a1ec4eb6f3722a65a267bb7d14c371d73f66c5b.zip | |
staging: comedi: ni_mio_common: scale ao INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS
Fixes implementation of INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS for
ni_mio devices. The previous patch should have used the channel
information passed in to scale the result by the number of channels being
used.
Fixes: 51fd36738383 ("staging: comedi: ni_mio_common: implement INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS")
Signed-off-by: Spencer E. Olson <olsonse@umich.edu>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_mio_common.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 2d1e0325d04d..5edf59ac6706 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -2843,7 +2843,8 @@ static int ni_ao_insn_config(struct comedi_device *dev, return ni_ao_arm(dev, s); case INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS: /* we don't care about actual channels */ - data[1] = board->ao_speed; + /* data[3] : chanlist_len */ + data[1] = board->ao_speed * data[3]; data[2] = 0; return 0; default: |