On 12/11/14 23:00, H Hartley Sweeten wrote:
Currently the async command support in this driver consists of just the stubbed in functions.Flesh out the (*do_cmdtest) function for basic support of timed analog input acquisitions. Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com> Cc: Ian Abbott <abbo...@mev.co.uk> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/staging/comedi/drivers/das6402.c | 105 ++++++++++++++++++++++++++++++- 1 file changed, 104 insertions(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/das6402.c b/drivers/staging/comedi/drivers/das6402.c index f3909f3..511b6b3 100644 --- a/drivers/staging/comedi/drivers/das6402.c +++ b/drivers/staging/comedi/drivers/das6402.c @@ -35,6 +35,7 @@ #include <linux/interrupt.h> #include "../comedidev.h" +#include "comedi_fc.h" #include "8253.h" /* @@ -207,11 +208,113 @@ static int das6402_ai_cmd(struct comedi_device *dev, return -EINVAL; } +static int das6402_ai_check_chanlist(struct comedi_device *dev, + struct comedi_subdevice *s, + struct comedi_cmd *cmd) +{ + unsigned int chan0 = CR_CHAN(cmd->chanlist[0]); + unsigned int range0 = CR_RANGE(cmd->chanlist[0]); + unsigned int aref0 = CR_AREF(cmd->chanlist[0]); + int i; + + for (i = 1; i < cmd->chanlist_len; i++) { + unsigned int chan = CR_CHAN(cmd->chanlist[i]); + unsigned int range = CR_RANGE(cmd->chanlist[i]); + unsigned int aref = CR_AREF(cmd->chanlist[i]); + + if (chan != chan0 + i) { + dev_dbg(dev->class_dev, + "chanlist must be consecutive\n"); + return -EINVAL; + } + + if (range != range0) { + dev_dbg(dev->class_dev, + "chanlist must have the same range\n"); + return -EINVAL; + } + + if (aref != aref0) { + dev_dbg(dev->class_dev, + "chanlist must have the reference\n");
Shouldn't that say the _same_ reference? -- -=( Ian Abbott @ MEV Ltd. E-mail: <abbo...@mev.co.uk> )=- -=( Web: http://www.mev.co.uk/ )=- _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
