diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2013-07-29 17:45:09 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-31 17:44:56 -0700 |
| commit | 64ffc665d7172ce9f13b6ad5fca107e8847d68d1 (patch) | |
| tree | 28b0f0e82db3310d5fbc0d0fd8c740ae299d4e01 /drivers/staging/comedi/drivers/usbdux.c | |
| parent | 5c63f094a75820b85f7aecf6ee84439d610017c0 (diff) | |
staging: comedi: usbdux: remove usbdux_pwm_read()
The pwm subdevice is not readable so this callback function is not
needed. Remove it.
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/usbdux.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/usbdux.c | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c index 214a49f23ec5..9f97e3e1f1c6 100644 --- a/drivers/staging/comedi/drivers/usbdux.c +++ b/drivers/staging/comedi/drivers/usbdux.c @@ -1445,14 +1445,6 @@ static int usbdux_pwm_write(struct comedi_device *dev, return usbdux_pwm_pattern(dev, s, chan, data[0], 0); } -static int usbdux_pwm_read(struct comedi_device *x1, - struct comedi_subdevice *x2, struct comedi_insn *x3, - unsigned int *x4) -{ - /* not needed */ - return -EINVAL; -}; - /* switches on/off PWM */ static int usbdux_pwm_config(struct comedi_device *dev, struct comedi_subdevice *s, @@ -1819,7 +1811,6 @@ static int usbdux_auto_attach(struct comedi_device *dev, s->n_chan = 8; s->maxdata = devpriv->pwm_buf_sz; s->insn_write = usbdux_pwm_write; - s->insn_read = usbdux_pwm_read; s->insn_config = usbdux_pwm_config; usbdux_pwm_period(dev, s, PWM_DEFAULT_PERIOD); |