There are two ADC devices on this board. The first one handles ai channels 0-7 and the second one channels 8-15.
Define the offset that is added to the iobase to access the 2nd ADC device. 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/pcmmio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c index 5ff0e3a..52f1085 100644 --- a/drivers/staging/comedi/drivers/pcmmio.c +++ b/drivers/staging/comedi/drivers/pcmmio.c @@ -99,6 +99,7 @@ Configuration Options: #define PCMMIO_AI_STATUS_REG_SEL (1 << 3) #define PCMMIO_AI_STATUS_CMD_DRQ_ENA (1 << 1) #define PCMMIO_AI_STATUS_IRQ_ENA (1 << 0) +#define PCMMIO_AI_2ND_ADC_OFFSET 0x04 /* This stuff is all from pcmuio.c -- it refers to the DIO subdevices only */ #define CHANS_PER_PORT 8 @@ -815,7 +816,7 @@ static int pcmmio_ai_insn_read(struct comedi_device *dev, if (chan > 7) { chan -= 8; - iobase += 0x4; + iobase += PCMMIO_AI_2ND_ADC_OFFSET; } if (aref == AREF_GROUND) -- 1.8.4.4 _______________________________________________ devel mailing list de...@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel