staging: comedi: addi_apci_2032: use comedi_async 'scans_done' to detect EOA (d1c87ceb) · Commits · 戴 / test

drivers/staging/comedi/drivers/addi_apci_2032.c

+5 −12

Original line number	Diff line number	Diff line
		@@ -47,7 +47,6 @@

		struct apci2032_int_private {
		spinlock_t spinlock;
		unsigned int stop_count;
		bool active;
		unsigned char enabled_isns;
		};
		@@ -148,7 +147,6 @@ static int apci2032_int_cmd(struct comedi_device *dev,
		spin_lock_irqsave(&subpriv->spinlock, flags);

		subpriv->enabled_isns = enabled_isns;
		subpriv->stop_count = cmd->stop_arg;
		subpriv->active = true;
		outl(enabled_isns, dev->iobase + APCI2032_INT_CTRL_REG);

		@@ -211,17 +209,12 @@ static irqreturn_t apci2032_interrupt(int irq, void *d)
		bits \|= (1 << i);
		}

		if (comedi_buf_write_samples(s, &bits, 1)) {
		comedi_buf_write_samples(s, &bits, 1);

		if (cmd->stop_src == TRIG_COUNT &&
		subpriv->stop_count > 0) {
		subpriv->stop_count--;
		if (subpriv->stop_count == 0) {
		/* end of acquisition */
		s->async->scans_done >= cmd->stop_arg)
		s->async->events \|= COMEDI_CB_EOA;
		}
		}
		}
		}

		spin_unlock(&subpriv->spinlock);