staging: comedi: dac02: use comedi_subdevice 'readback'
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Mon, 25 Aug 2014 23:03:58 +0000 (16:03 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 30 Aug 2014 20:22:30 +0000 (13:22 -0700)
commit921f1b2eda8c3988b31909ea3f4b83ed059aa3a9
tree057caf36f7e1e8bc1ce634839a5b144301a97f20
parent9ac581336a6ddd781d92e03e6d4f2c17cbac021a
staging: comedi: dac02: use comedi_subdevice 'readback'

Use the new comedi_subdevice 'readback' member and the core provided
(*insn_read) for the readback of the analog output subdevice channels.

Remove the unused private data and its allocation.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/dac02.c