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| author | Lars-Peter Clausen <lars@metafoo.de> | 2013-09-18 21:02:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-09-21 12:36:30 +0100 |
| commit | a87c82e454f184a9473f8cdfd4d304205f585f65 (patch) | |
| tree | 5f158830b28d740e6782dac2683fd46cde7b23fb /drivers/iio/industrialio-buffer.c | |
| parent | d66e0452bf6b0d98cd1a478918c92f2baffcb413 (diff) | |
| download | linux-a87c82e454f184a9473f8cdfd4d304205f585f65.tar.gz linux-a87c82e454f184a9473f8cdfd4d304205f585f65.tar.bz2 linux-a87c82e454f184a9473f8cdfd4d304205f585f65.zip | |
iio: Stop sampling when the device is removed
Make sure to stop sampling when the device is removed, otherwise it will
continue to sample forever.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/industrialio-buffer.c')
| -rw-r--r-- | drivers/iio/industrialio-buffer.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 5862c88ed5ad..2710f7245c3b 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -460,6 +460,25 @@ static int iio_compute_scan_bytes(struct iio_dev *indio_dev, const long *mask, return bytes; } +void iio_disable_all_buffers(struct iio_dev *indio_dev) +{ + struct iio_buffer *buffer, *_buffer; + + if (list_empty(&indio_dev->buffer_list)) + return; + + if (indio_dev->setup_ops->predisable) + indio_dev->setup_ops->predisable(indio_dev); + + list_for_each_entry_safe(buffer, _buffer, + &indio_dev->buffer_list, buffer_list) + list_del_init(&buffer->buffer_list); + + indio_dev->currentmode = INDIO_DIRECT_MODE; + if (indio_dev->setup_ops->postdisable) + indio_dev->setup_ops->postdisable(indio_dev); +} + int iio_update_buffers(struct iio_dev *indio_dev, struct iio_buffer *insert_buffer, struct iio_buffer *remove_buffer) |