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Commit aa96f6ef authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: dt3000: use comedi_buf_write_samples() 



For aesthetics, use comedi_buf_write_samples() to add the sample to the
async buffer.

The core will set the COMEDi_CB_BLOCK event when data is written to the
async buffer. Remove the unnecessary event from the driver.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1700529b

drivers/staging/comedi/drivers/dt3000.c

+2 −4
Original line number Diff line number Diff line
@@ -315,7 +315,7 @@ static void dt3k_ai_empty_fifo(struct comedi_device *dev, 


	for (i = 0; i < count; i++) {

		data = readw(dev->mmio + DPR_ADC_buffer + rear);

		comedi_buf_put(s, data);

		comedi_buf_write_samples(s, &data, 1);

		rear++;

		if (rear >= AI_FIFO_DEPTH)

			rear = 0;
@@ -351,10 +351,8 @@ static irqreturn_t dt3k_interrupt(int irq, void *d) 


	status = readw(dev->mmio + DPR_Intr_Flag);



	if (status & DT3000_ADFULL) {

	if (status & DT3000_ADFULL)

		dt3k_ai_empty_fifo(dev, s);

		s->async->events |= COMEDI_CB_BLOCK;

	}



	if (status & (DT3000_ADSWERR | DT3000_ADHWERR))

		s->async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;