Clear the A/D FIFO as part of the analog input (*cancel) to help with cleaning up the async command. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/rtd520.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 7d4cb14..7d04a7e 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -1083,6 +1083,7 @@ static int rtd_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) devpriv->ai_count = 0; /* stop and don't transfer any more */ status = readw(dev->mmio + LAS0_IT); overrun = readl(dev->mmio + LAS0_OVERRUN) & 0xffff; + writel(0, dev->mmio + LAS0_ADC_FIFO_CLEAR); return 0; } -- 2.0.3 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
