The pwm subdevice is not readable so this callback function is not
needed. Remove it.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/usbdux.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 214a49f..9f97e3e 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);
--
1.8.3.2
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