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authorAngelo Dureghello <adureghello@baylibre.com>2025-04-09 21:36:30 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2025-04-22 21:10:03 +0300
commit2086321576425361e8ea0052d9ef6eec55f99a6f (patch)
treedc6dbf154ae7f363dfd29f95a05706967a4107c9 /include/linux
parentede84c4556598b8899a93890d881bd407650c344 (diff)
downloadlinux-2086321576425361e8ea0052d9ef6eec55f99a6f.tar.xz
iio: backend: add support for data source get
Add backend support for getting the data source used. The ad3552r HDL implements an internal ramp generator, so adding the getter to allow data source get/set by debugfs. Reviewed-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Angelo Dureghello <adureghello@baylibre.com> Link: https://patch.msgid.link/20250409-wip-bl-ad3552r-fixes-v5-3-fb429c3a6515@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/iio/backend.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/iio/backend.h b/include/linux/iio/backend.h
index e45b7dfbec35..e59d909cb659 100644
--- a/include/linux/iio/backend.h
+++ b/include/linux/iio/backend.h
@@ -84,6 +84,7 @@ enum iio_backend_interface_type {
* @chan_disable: Disable one channel.
* @data_format_set: Configure the data format for a specific channel.
* @data_source_set: Configure the data source for a specific channel.
+ * @data_source_get: Data source getter for a specific channel.
* @set_sample_rate: Configure the sampling rate for a specific channel.
* @test_pattern_set: Configure a test pattern.
* @chan_status: Get the channel status.
@@ -115,6 +116,8 @@ struct iio_backend_ops {
const struct iio_backend_data_fmt *data);
int (*data_source_set)(struct iio_backend *back, unsigned int chan,
enum iio_backend_data_source data);
+ int (*data_source_get)(struct iio_backend *back, unsigned int chan,
+ enum iio_backend_data_source *data);
int (*set_sample_rate)(struct iio_backend *back, unsigned int chan,
u64 sample_rate_hz);
int (*test_pattern_set)(struct iio_backend *back,
@@ -176,6 +179,8 @@ int iio_backend_data_format_set(struct iio_backend *back, unsigned int chan,
const struct iio_backend_data_fmt *data);
int iio_backend_data_source_set(struct iio_backend *back, unsigned int chan,
enum iio_backend_data_source data);
+int iio_backend_data_source_get(struct iio_backend *back, unsigned int chan,
+ enum iio_backend_data_source *data);
int iio_backend_set_sampling_freq(struct iio_backend *back, unsigned int chan,
u64 sample_rate_hz);
int iio_backend_test_pattern_set(struct iio_backend *back,