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authorLars-Peter Clausen <lars@metafoo.de>2013-09-18 21:02:00 +0100
committerJonathan Cameron <jic23@kernel.org>2013-09-21 12:36:30 +0100
commita87c82e454f184a9473f8cdfd4d304205f585f65 (patch)
tree5f158830b28d740e6782dac2683fd46cde7b23fb /drivers/iio/industrialio-buffer.c
parentd66e0452bf6b0d98cd1a478918c92f2baffcb413 (diff)
downloadlinux-a87c82e454f184a9473f8cdfd4d304205f585f65.tar.bz2
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.c19
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)