staging: comedi: dt282x: introduce dt282x_ao_setup_dma()

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Introduce a helper function to read the analog output samples from the
async buffer and prep the DMA.

Use comedi_buf_read_samples() to read the analog output samples from
the async buffer.

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>

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H Hartley Sweeten 2014-10-22 14:36:38 -07:00 • committed by Greg Kroah-Hartman

parent 7bd7d90562

commit ecb11d8c28

1 changed files with 21 additions and 21 deletions

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drivers/staging/comedi/drivers/dt282x.c

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