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-rw-r--r--include/linux/iio/adc/adi-axi-adc.h4
-rw-r--r--include/linux/iio/buffer-dma.h7
-rw-r--r--include/linux/iio/iio.h6
-rw-r--r--include/linux/iio/types.h1
4 files changed, 8 insertions, 10 deletions
diff --git a/include/linux/iio/adc/adi-axi-adc.h b/include/linux/iio/adc/adi-axi-adc.h
index 52620e5b8052..b7904992d561 100644
--- a/include/linux/iio/adc/adi-axi-adc.h
+++ b/include/linux/iio/adc/adi-axi-adc.h
@@ -41,6 +41,7 @@ struct adi_axi_adc_chip_info {
* @reg_access IIO debugfs_reg_access hook for the client ADC
* @read_raw IIO read_raw hook for the client ADC
* @write_raw IIO write_raw hook for the client ADC
+ * @read_avail IIO read_avail hook for the client ADC
*/
struct adi_axi_adc_conv {
const struct adi_axi_adc_chip_info *chip_info;
@@ -54,6 +55,9 @@ struct adi_axi_adc_conv {
int (*write_raw)(struct adi_axi_adc_conv *conv,
struct iio_chan_spec const *chan,
int val, int val2, long mask);
+ int (*read_avail)(struct adi_axi_adc_conv *conv,
+ struct iio_chan_spec const *chan,
+ const int **val, int *type, int *length, long mask);
};
struct adi_axi_adc_conv *devm_adi_axi_adc_conv_register(struct device *dev,
diff --git a/include/linux/iio/buffer-dma.h b/include/linux/iio/buffer-dma.h
index 6564bdcdac66..18d3702fa95d 100644
--- a/include/linux/iio/buffer-dma.h
+++ b/include/linux/iio/buffer-dma.h
@@ -19,14 +19,12 @@ struct device;
/**
* enum iio_block_state - State of a struct iio_dma_buffer_block
- * @IIO_BLOCK_STATE_DEQUEUED: Block is not queued
* @IIO_BLOCK_STATE_QUEUED: Block is on the incoming queue
* @IIO_BLOCK_STATE_ACTIVE: Block is currently being processed by the DMA
* @IIO_BLOCK_STATE_DONE: Block is on the outgoing queue
* @IIO_BLOCK_STATE_DEAD: Block has been marked as to be freed
*/
enum iio_block_state {
- IIO_BLOCK_STATE_DEQUEUED,
IIO_BLOCK_STATE_QUEUED,
IIO_BLOCK_STATE_ACTIVE,
IIO_BLOCK_STATE_DONE,
@@ -73,12 +71,15 @@ struct iio_dma_buffer_block {
* @active_block: Block being used in read()
* @pos: Read offset in the active block
* @block_size: Size of each block
+ * @next_dequeue: index of next block that will be dequeued
*/
struct iio_dma_buffer_queue_fileio {
struct iio_dma_buffer_block *blocks[2];
struct iio_dma_buffer_block *active_block;
size_t pos;
size_t block_size;
+
+ unsigned int next_dequeue;
};
/**
@@ -93,7 +94,6 @@ struct iio_dma_buffer_queue_fileio {
* list and typically also a list of active blocks in the part that handles
* the DMA controller
* @incoming: List of buffers on the incoming queue
- * @outgoing: List of buffers on the outgoing queue
* @active: Whether the buffer is currently active
* @fileio: FileIO state
*/
@@ -105,7 +105,6 @@ struct iio_dma_buffer_queue {
struct mutex lock;
spinlock_t list_lock;
struct list_head incoming;
- struct list_head outgoing;
bool active;
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index d0ce3b71106a..c5b36d2c1e73 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -434,13 +434,7 @@ struct iio_trigger; /* forward declaration */
* @update_scan_mode: function to configure device and scan buffer when
* channels have changed
* @debugfs_reg_access: function to read or write register value of device
- * @of_xlate: function pointer to obtain channel specifier index.
- * When #iio-cells is greater than '0', the driver could
- * provide a custom of_xlate function that reads the
- * *args* and returns the appropriate index in registered
- * IIO channels array.
* @fwnode_xlate: fwnode based function pointer to obtain channel specifier index.
- * Functionally the same as @of_xlate.
* @hwfifo_set_watermark: function pointer to set the current hardware
* fifo watermark level; see hwfifo_* entries in
* Documentation/ABI/testing/sysfs-bus-iio for details on
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 117bde7d6ad7..d89982c98368 100644
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -68,6 +68,7 @@ enum iio_chan_info_enum {
IIO_CHAN_INFO_THERMOCOUPLE_TYPE,
IIO_CHAN_INFO_CALIBAMBIENT,
IIO_CHAN_INFO_ZEROPOINT,
+ IIO_CHAN_INFO_TROUGH,
};
#endif /* _IIO_TYPES_H_ */