diff options
| author |   H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-10-06 11:11:12 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-12 22:55:31 -0700 |
| commit | 418c971364cb6eb3cc94b9e4ec1ae6bf3fc98dc7 (patch) | |
| tree | 820ced8d94654404b58f733578e0c58070865a3d /drivers/staging/comedi/drivers/mf6x4.c | |
| parent | staging: comedi: mf6x4: A/D converter uses 2's complement coding (diff) | |
| download | linux-dev-418c971364cb6eb3cc94b9e4ec1ae6bf3fc98dc7.tar.xz linux-dev-418c971364cb6eb3cc94b9e4ec1ae6bf3fc98dc7.zip | |
staging: comedi: mf6x4: remove unnecassary masking of digital outputs
THe 's->state' will always be in range for the 8 digital outputs.
Remove the unnecessary masking of the value.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
drivers/staging/comedi/drivers/mf6x4.c | 6 +++---
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/mf6x4.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/mf6x4.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/mf6x4.c b/drivers/staging/comedi/drivers/mf6x4.c index 1e4f08058723..03f81e948b95 100644 --- a/drivers/staging/comedi/drivers/mf6x4.c +++ b/drivers/staging/comedi/drivers/mf6x4.c @@ -43,8 +43,7 @@ #define MF6X4_ADCTRL_CHAN(x) BIT(chan) #define MF6X4_DIN_R 0x10 #define MF6X4_DIN_M 0xff -#define MF6X4_DOUT_R 0x10 -#define MF6X4_DOUT_M 0xff +#define MF6X4_DOUT_REG 0x10 #define MF6X4_ADSTART_R 0x20 #define MF6X4_DAC_R(x) (0x20 + ((x) * 2)) @@ -107,7 +106,7 @@ static int mf6x4_do_insn_bits(struct comedi_device *dev, unsigned int *data) { if (comedi_dio_update_state(s, data)) - iowrite16(s->state & MF6X4_DOUT_M, dev->mmio + MF6X4_DOUT_R); + iowrite16(s->state, dev->mmio + MF6X4_DOUT_REG); data[1] = s->state; |