From: H Hartley Sweeten Date: Wed, 22 Oct 2014 22:37:04 +0000 (-0700) Subject: staging: comedi: pcl818: use comedi_buf_write_samples() X-Git-Tag: firefly_0821_release~176^2~2665^2~738 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=edf4537bcbf53bb6297678431da12b766fe16610;p=firefly-linux-kernel-4.4.55.git staging: comedi: pcl818: use comedi_buf_write_samples() For aesthetics, use comedi_buf_write_samples() to add the sample to the async buffer. The core will add the COMEDI_CB_BLOCK event when data is written to the async buffer. Remove the unnecessary event in the driver. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c index 9921e1fa7515..e6d897bf5714 100644 --- a/drivers/staging/comedi/drivers/pcl818.c +++ b/drivers/staging/comedi/drivers/pcl818.c @@ -521,8 +521,6 @@ static bool pcl818_ai_next_chan(struct comedi_device *dev, struct pcl818_private *devpriv = dev->private; struct comedi_cmd *cmd = &s->async->cmd; - s->async->events |= COMEDI_CB_BLOCK; - devpriv->act_chanlist_pos++; if (devpriv->act_chanlist_pos >= devpriv->act_chanlist_len) devpriv->act_chanlist_pos = 0; @@ -560,7 +558,7 @@ static void pcl818_handle_eoc(struct comedi_device *dev, if (pcl818_ai_dropout(dev, s, chan)) return; - comedi_buf_put(s, val); + comedi_buf_write_samples(s, &val, 1); pcl818_ai_next_chan(dev, s); } @@ -589,7 +587,7 @@ static void pcl818_handle_dma(struct comedi_device *dev, if (pcl818_ai_dropout(dev, s, chan)) break; - comedi_buf_put(s, val); + comedi_buf_write_samples(s, &val, 1); if (!pcl818_ai_next_chan(dev, s)) break; @@ -630,7 +628,7 @@ static void pcl818_handle_fifo(struct comedi_device *dev, if (pcl818_ai_dropout(dev, s, chan)) break; - comedi_buf_put(s, val); + comedi_buf_write_samples(s, &val, 1); if (!pcl818_ai_next_chan(dev, s)) break;