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charset="utf-8" Add iio backend support for self sync enable/disable. When disabled data capture synchronization is done through CNV signal, otherwise through bit-slip. Signed-off-by: Antoniu Miclaus --- no changes in v2. drivers/iio/industrialio-backend.c | 30 ++++++++++++++++++++++++++++++ include/linux/iio/backend.h | 6 ++++++ 2 files changed, 36 insertions(+) diff --git a/drivers/iio/industrialio-backend.c b/drivers/iio/industrialio-= backend.c index 60578267643d..cb23433b22c6 100644 --- a/drivers/iio/industrialio-backend.c +++ b/drivers/iio/industrialio-backend.c @@ -830,6 +830,36 @@ int iio_backend_data_alignment_disable(struct iio_back= end *back) } EXPORT_SYMBOL_NS_GPL(iio_backend_data_alignment_disable, "IIO_BACKEND"); =20 +/** + * iio_backend_self_sync_enable - Enable the self sync data capture. + * @back: Backend device + * + * Data capture synchronization is done through bit-slip. + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_self_sync_enable(struct iio_backend *back) +{ + return iio_backend_op_call(back, self_sync_enable); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_self_sync_enable, "IIO_BACKEND"); + +/** + * iio_backend_self_sync_disable - Disable the self sync data capture. + * @back: Backend device + * + * Data capture synchronization is done through CNV signal. + * + * RETURNS: + * 0 on success, negative error number on failure. + */ +int iio_backend_self_sync_disable(struct iio_backend *back) +{ + return iio_backend_op_call(back, self_sync_disable); +} +EXPORT_SYMBOL_NS_GPL(iio_backend_self_sync_disable, "IIO_BACKEND"); + /** * iio_backend_ddr_enable - Enable interface DDR (Double Data Rate) mode * @back: Backend device diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h index beff66d18151..6d006cb0da5a 100644 --- a/include/linux/iio/backend.h +++ b/include/linux/iio/backend.h @@ -104,6 +104,8 @@ enum iio_backend_interface_type { * @filter_disable: Disable filter. * @data_alignment_enable: Enable sync process. * @data_alignment_disable: Disable sync process. + * @self_sync_enable: Enable the self sync data capture. + * @self_sync_disable: Disable the self sync data capture. * @ddr_enable: Enable interface DDR (Double Data Rate) mode. * @ddr_disable: Disable interface DDR (Double Data Rate) mode. * @data_stream_enable: Enable data stream. @@ -158,6 +160,8 @@ struct iio_backend_ops { int (*filter_disable)(struct iio_backend *back); int (*data_alignment_enable)(struct iio_backend *back); int (*data_alignment_disable)(struct iio_backend *back); + int (*self_sync_enable)(struct iio_backend *back); + int (*self_sync_disable)(struct iio_backend *back); int (*ddr_enable)(struct iio_backend *back); int (*ddr_disable)(struct iio_backend *back); int (*data_stream_enable)(struct iio_backend *back); @@ -202,6 +206,8 @@ int iio_backend_filter_enable(struct iio_backend *back); int iio_backend_filter_disable(struct iio_backend *back); int iio_backend_data_alignment_enable(struct iio_backend *back); int iio_backend_data_alignment_disable(struct iio_backend *back); +int iio_backend_self_sync_enable(struct iio_backend *back); +int iio_backend_self_sync_disable(struct iio_backend *back); int iio_backend_ddr_enable(struct iio_backend *back); int iio_backend_ddr_disable(struct iio_backend *back); int iio_backend_data_stream_enable(struct iio_backend *back); --=20 2.49.0