On 03/04/2015 02:55 PM, Octavian Purdila wrote:
[...]
int iio_buffer_alloc_sysfs_and_mask(struct iio_dev *indio_dev)
@@ -944,8 +1022,18 @@ static const void *iio_demux(struct iio_buffer
*buffer,
static int iio_push_to_buffer(struct iio_buffer *buffer, const void
*data)
{
const void *dataout = iio_demux(buffer, data);
+ int ret;
+
+ ret = buffer->access->store_to(buffer, dataout);
+ if (ret)
+ return ret;
- return buffer->access->store_to(buffer, dataout);
+ /*
+ * We can't just test for watermark to decide if we wake the poll
queue
+ * because read may request less samples than the watermark.
+ */
+ wake_up_interruptible(&buffer->pollq);
What happened to poll parameters?
I don't understand you question, can you please elaborate?
Previously we were calling wake_up_interruptible_poll(&r->pollq, POLLIN |
POLLRDNORM);
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