From a87c82e454f184a9473f8cdfd4d304205f585f65 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Wed, 18 Sep 2013 21:02:00 +0100 Subject: 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 Signed-off-by: Jonathan Cameron --- drivers/iio/industrialio-buffer.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/iio/industrialio-buffer.c') 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) -- cgit v1.2.1