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Commit 27cb9814 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: s626: clarify COMEDI_CB_EOA code 



The end-of-acquisition only applies when the cmd->stop_src == TRIG_COUNT.

Refactor the code in s626_handle_eos_interrupt() that detects the end-of-
acquisition to clarify this.

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 e37b20aa

drivers/staging/comedi/drivers/s626.c

+10 −9
Original line number Diff line number Diff line
@@ -1501,7 +1501,7 @@ static bool s626_handle_eos_interrupt(struct comedi_device *dev) 
	/* end of scan occurs */

	async->events |= COMEDI_CB_EOS;



	if (cmd->stop_src == TRIG_COUNT)

	if (cmd->stop_src == TRIG_COUNT) {

		devpriv->ai_sample_count--;

		if (devpriv->ai_sample_count <= 0) {

			devpriv->ai_cmd_running = 0;
@@ -1515,6 +1515,7 @@ static bool s626_handle_eos_interrupt(struct comedi_device *dev) 
			/* disable master interrupt */

			finished = true;

		}

	}



	if (devpriv->ai_cmd_running && cmd->scan_begin_src == TRIG_EXT)

		s626_dio_set_irq(dev, cmd->scan_begin_arg);