staging: comedi: amplc_pci224: remove 'ai_stop_continuous' from private data

This member of the private data can be determined by checking the cmd->stop_src.
Do that instead.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index f0b04ca..3002156 100644 (file)
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -377,7 +377,6 @@ struct pci224_private {
        unsigned int cached_div1;
        unsigned int cached_div2;
        unsigned int ao_stop_count;
-       short ao_stop_continuous;
        unsigned short ao_enab; /* max 16 channels so 'short' will do */
        unsigned char intsce;
 };
@@ -521,7 +520,7 @@ static void pci224_ao_start(struct comedi_device *dev,
        unsigned long flags;
 
        set_bit(AO_CMD_STARTED, &devpriv->state);
-       if (!devpriv->ao_stop_continuous && devpriv->ao_stop_count == 0) {
+       if (cmd->stop_src == TRIG_COUNT && devpriv->ao_stop_count == 0) {
                /* An empty acquisition! */
                s->async->events |= COMEDI_CB_EOA;
                cfc_handle_events(dev, s);
@@ -560,7 +559,7 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
        }
        /* Determine number of scans available in buffer. */
        num_scans = comedi_buf_read_n_available(s->async) / bytes_per_scan;
-       if (!devpriv->ao_stop_continuous) {
+       if (cmd->stop_src == TRIG_COUNT) {
                /* Fixed number of scans. */
                if (num_scans > devpriv->ao_stop_count)
                        num_scans = devpriv->ao_stop_count;
@@ -572,7 +571,7 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
        switch (dacstat & PCI224_DACCON_FIFOFL_MASK) {
        case PCI224_DACCON_FIFOFL_EMPTY:
                room = PCI224_FIFO_ROOM_EMPTY;
-               if (!devpriv->ao_stop_continuous && devpriv->ao_stop_count == 0) {
+               if (cmd->stop_src == TRIG_COUNT && devpriv->ao_stop_count == 0) {
                        /* FIFO empty at end of counted acquisition. */
                        s->async->events |= COMEDI_CB_EOA;
                        cfc_handle_events(dev, s);
@@ -614,7 +613,7 @@ static void pci224_ao_handle_fifo(struct comedi_device *dev,
                             dev->iobase + PCI224_DACDATA);
                }
        }
-       if (!devpriv->ao_stop_continuous) {
+       if (cmd->stop_src == TRIG_COUNT) {
                devpriv->ao_stop_count -= num_scans;
                if (devpriv->ao_stop_count == 0) {
                        /*
@@ -952,18 +951,10 @@ static int pci224_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
        /*
         * Sort out end of acquisition.
         */
-       switch (cmd->stop_src) {
-       case TRIG_COUNT:
-               /* Fixed number of scans.  */
-               devpriv->ao_stop_continuous = 0;
+       if (cmd->stop_src == TRIG_COUNT)
                devpriv->ao_stop_count = cmd->stop_arg;
-               break;
-       default:
-               /* Continuous scans. */
-               devpriv->ao_stop_continuous = 1;
+       else    /* TRIG_EXT | TRIG_NONE */
                devpriv->ao_stop_count = 0;
-               break;
-       }
 
        spin_lock_irqsave(&devpriv->ao_spinlock, flags);
        if (cmd->start_src == TRIG_INT) {