101 	int (*enable)(struct iio_backend *back);
102 	void (*disable)(struct iio_backend *back);
103 	int (*chan_enable)(struct iio_backend *back, unsigned int chan);
104 	int (*chan_disable)(struct iio_backend *back, unsigned int chan);
105 	int (*data_format_set)(struct iio_backend *back, unsigned int chan,
107 	int (*data_source_set)(struct iio_backend *back, unsigned int chan,
109 	int (*set_sample_rate)(struct iio_backend *back, unsigned int chan,
111 	int (*test_pattern_set)(struct iio_backend *back,
114 	int (*chan_status)(struct iio_backend *back, unsigned int chan,
116 	int (*iodelay_set)(struct iio_backend *back, unsigned int chan,
118 	int (*data_sample_trigger)(struct iio_backend *back,
120 	struct iio_buffer *(*request_buffer)(struct iio_backend *back,
122 	void (*free_buffer)(struct iio_backend *back,
124 	int (*extend_chan_spec)(struct iio_backend *back,
126 	int (*ext_info_set)(struct iio_backend *back, uintptr_t private,
129 	int (*ext_info_get)(struct iio_backend *back, uintptr_t private,
131 	int (*read_raw)(struct iio_backend *back,
134 	int (*debugfs_print_chan_status)(struct iio_backend *back,
137 	int (*debugfs_reg_access)(struct iio_backend *back, unsigned int reg,
139 	int (*ddr_enable)(struct iio_backend *back);
140 	int (*ddr_disable)(struct iio_backend *back);
141 	int (*data_stream_enable)(struct iio_backend *back);
142 	int (*data_stream_disable)(struct iio_backend *back);
143 	int (*data_transfer_addr)(struct iio_backend *back, u32 address);
156 int iio_backend_chan_enable(struct iio_backend *back, unsigned int chan);
157 int iio_backend_chan_disable(struct iio_backend *back, unsigned int chan);
158 int devm_iio_backend_enable(struct device *dev, struct iio_backend *back);
159 int iio_backend_enable(struct iio_backend *back);
160 void iio_backend_disable(struct iio_backend *back);
161 int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,
163 int iio_backend_data_source_set(struct iio_backend *back, unsigned int chan,
165 int iio_backend_set_sampling_freq(struct iio_backend *back, unsigned int chan,
167 int iio_backend_test_pattern_set(struct iio_backend *back,
170 int iio_backend_chan_status(struct iio_backend *back, unsigned int chan,
172 int iio_backend_iodelay_set(struct iio_backend *back, unsigned int lane,
174 int iio_backend_data_sample_trigger(struct iio_backend *back,
177 				    struct iio_backend *back,
179 int iio_backend_ddr_enable(struct iio_backend *back);
180 int iio_backend_ddr_disable(struct iio_backend *back);
181 int iio_backend_data_stream_enable(struct iio_backend *back);
182 int iio_backend_data_stream_disable(struct iio_backend *back);
183 int iio_backend_data_transfer_addr(struct iio_backend *back, u32 address);
189 int iio_backend_read_raw(struct iio_backend *back,
192 int iio_backend_extend_chan_spec(struct iio_backend *back,
206 static inline int iio_backend_read_scale(struct iio_backend *back,  in iio_backend_read_scale()  argument
210 	return iio_backend_read_raw(back, chan, val, val2, IIO_CHAN_INFO_SCALE);  in iio_backend_read_scale()
213 static inline int iio_backend_read_offset(struct iio_backend *back,  in iio_backend_read_offset()  argument
217 	return iio_backend_read_raw(back, chan, val, val2,  in iio_backend_read_offset()
221 ssize_t iio_backend_debugfs_print_chan_status(struct iio_backend *back,
224 void iio_backend_debugfs_add(struct iio_backend *back,