Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: add enable and disable services to iio backend framework
Add iio_backend_disable() and iio_backend_enable() APIs to allow
IIO backend consumer to request backend disabling and enabling.
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://patch.msgid.link/20240730084640.1307938-3-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
authored by
Olivier Moysan
and committed by
Jonathan Cameron
2530d7d4
0737158a
+26
-1
+24
-1
drivers/iio/industrialio-backend.c
+24
-1
drivers/iio/industrialio-backend.c
···
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}
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/**
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* iio_backend_disable - Backend disable
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* @back: Backend device
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*/
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void iio_backend_disable(struct iio_backend *back)
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{
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__iio_backend_disable(back);
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}
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EXPORT_SYMBOL_NS_GPL(iio_backend_disable, IIO_BACKEND);
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+
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/**
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* iio_backend_enable - Backend enable
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* @back: Backend device
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*
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* RETURNS:
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* 0 on success, negative error number on failure.
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*/
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int iio_backend_enable(struct iio_backend *back)
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{
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return iio_backend_op_call(back, enable);
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}
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EXPORT_SYMBOL_NS_GPL(iio_backend_enable, IIO_BACKEND);
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/**
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* devm_iio_backend_enable - Device managed backend enable
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* @dev: Consumer device for the backend
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* @back: Backend device
···
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{
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int ret;
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-
ret = iio_backend_op_call(back, enable);
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ret = iio_backend_enable(back);
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if (ret)
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return ret;
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+2
include/linux/iio/backend.h
+2
include/linux/iio/backend.h
···
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int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan);
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int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan);
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int devm_iio_backend_enable(struct device *dev, struct iio_backend *back);
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int iio_backend_enable(struct iio_backend *back);
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void iio_backend_disable(struct iio_backend *back);
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int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,
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const struct iio_backend_data_fmt *data);
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int iio_backend_data_source_set(struct iio_backend *back, unsigned int chan,