staging: comedi: usbduxsigma: remove usbdux_pwm_read()
The comment says its not needed, just remove it. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1386,14 +1386,6 @@ static int usbdux_pwm_write(struct comedi_device *dev,
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return usbdux_pwm_pattern(dev, s, CR_CHAN(insn->chanspec), data[0], 0);
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}
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static int usbdux_pwm_read(struct comedi_device *x1,
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struct comedi_subdevice *x2, struct comedi_insn *x3,
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unsigned int *x4)
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{
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/* not needed */
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return -EINVAL;
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};
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static int usbduxsigma_pwm_config(struct comedi_device *dev,
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struct comedi_subdevice *s,
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struct comedi_insn *insn,
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@ -1552,7 +1544,6 @@ static int usbduxsigma_attach_common(struct comedi_device *dev)
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s->n_chan = 8;
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s->maxdata = devpriv->sizePwmBuf;
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s->insn_write = usbdux_pwm_write;
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s->insn_read = usbdux_pwm_read;
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s->insn_config = usbduxsigma_pwm_config;
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usbdux_pwm_period(dev, s, PWM_DEFAULT_PERIOD);
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