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Diffstat (limited to 'include/linux/iio/buffer.h')
-rw-r--r--include/linux/iio/buffer.h26
1 files changed, 15 insertions, 11 deletions
diff --git a/include/linux/iio/buffer.h b/include/linux/iio/buffer.h
index fb0fe46fd659..c629b3a1d9a9 100644
--- a/include/linux/iio/buffer.h
+++ b/include/linux/iio/buffer.h
@@ -36,7 +36,7 @@ struct iio_buffer;
* any of them not existing.
**/
struct iio_buffer_access_funcs {
- int (*store_to)(struct iio_buffer *buffer, u8 *data, s64 timestamp);
+ int (*store_to)(struct iio_buffer *buffer, u8 *data);
int (*read_first_n)(struct iio_buffer *buffer,
size_t n,
char __user *buf);
@@ -85,7 +85,7 @@ struct iio_buffer {
/**
* iio_buffer_init() - Initialize the buffer structure
- * @buffer: buffer to be initialized
+ * @buffer: buffer to be initialized
**/
void iio_buffer_init(struct iio_buffer *buffer);
@@ -107,8 +107,9 @@ int iio_scan_mask_query(struct iio_dev *indio_dev,
/**
* iio_scan_mask_set() - set particular bit in the scan mask
- * @buffer: the buffer whose scan mask we are interested in
- * @bit: the bit to be set.
+ * @indio_dev IIO device structure
+ * @buffer: the buffer whose scan mask we are interested in
+ * @bit: the bit to be set.
**/
int iio_scan_mask_set(struct iio_dev *indio_dev,
struct iio_buffer *buffer, int bit);
@@ -116,17 +117,17 @@ int iio_scan_mask_set(struct iio_dev *indio_dev,
/**
* iio_push_to_buffer() - push to a registered buffer.
* @buffer: IIO buffer structure for device
- * @scan: Full scan.
- * @timestamp:
+ * @data: the data to push to the buffer
*/
-int iio_push_to_buffer(struct iio_buffer *buffer, unsigned char *data,
- s64 timestamp);
+int iio_push_to_buffer(struct iio_buffer *buffer, unsigned char *data);
int iio_update_demux(struct iio_dev *indio_dev);
/**
* iio_buffer_register() - register the buffer with IIO core
- * @indio_dev: device with the buffer to be registered
+ * @indio_dev: device with the buffer to be registered
+ * @channels: the channel descriptions used to construct buffer
+ * @num_channels: the number of channels
**/
int iio_buffer_register(struct iio_dev *indio_dev,
const struct iio_chan_spec *channels,
@@ -134,7 +135,7 @@ int iio_buffer_register(struct iio_dev *indio_dev,
/**
* iio_buffer_unregister() - unregister the buffer from IIO core
- * @indio_dev: the device with the buffer to be unregistered
+ * @indio_dev: the device with the buffer to be unregistered
**/
void iio_buffer_unregister(struct iio_dev *indio_dev);
@@ -174,6 +175,9 @@ ssize_t iio_buffer_show_enable(struct device *dev,
int iio_sw_buffer_preenable(struct iio_dev *indio_dev);
+bool iio_validate_scan_mask_onehot(struct iio_dev *indio_dev,
+ const unsigned long *mask);
+
#else /* CONFIG_IIO_BUFFER */
static inline int iio_buffer_register(struct iio_dev *indio_dev,
@@ -184,7 +188,7 @@ static inline int iio_buffer_register(struct iio_dev *indio_dev,
}
static inline void iio_buffer_unregister(struct iio_dev *indio_dev)
-{};
+{}
#endif /* CONFIG_IIO_BUFFER */