diff options
| author | Niklas Söderlund <niklas.soderlund@ragnatech.se> | 2020-08-04 15:39:16 +0200 |
|---|---|---|
| committer | Niklas Söderlund <niklas.soderlund@ragnatech.se> | 2020-08-05 20:07:13 +0200 |
| commit | 6ad3258cd34295611e871edf5e8474d4aa79af59 (patch) | |
| tree | 6d1ee62eea7898103aa4c511919c3bbf22da1511 /include | |
| parent | 79a834f24c6e5094876b57973f7900401ec4683f (diff) | |
libcamera: sysfs: Add helper to lookup sysfs path of a character device
Add a helper function to lookup the sysfs path of a character device.
Store the function in a new libcamera::sysfs namespace as there is not
class to host it.
Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/libcamera/internal/meson.build | 1 | ||||
| -rw-r--r-- | include/libcamera/internal/sysfs.h | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/include/libcamera/internal/meson.build b/include/libcamera/internal/meson.build index d868eff4..15010338 100644 --- a/include/libcamera/internal/meson.build +++ b/include/libcamera/internal/meson.build @@ -25,6 +25,7 @@ libcamera_internal_headers = files([ 'process.h', 'pub_key.h', 'semaphore.h', + 'sysfs.h', 'thread.h', 'utils.h', 'v4l2_controls.h', diff --git a/include/libcamera/internal/sysfs.h b/include/libcamera/internal/sysfs.h new file mode 100644 index 00000000..247a376a --- /dev/null +++ b/include/libcamera/internal/sysfs.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * sysfs.h - Miscellaneous utility functions to access sysfs + */ +#ifndef __LIBCAMERA_INTERNAL_SYSFS_H__ +#define __LIBCAMERA_INTERNAL_SYSFS_H__ + +#include <string> + +namespace libcamera { + +namespace sysfs { + +std::string charDevPath(const std::string &deviceNode); + +} /* namespace sysfs */ + +} /* namespace libcamera */ + +#endif /* __LIBCAMERA_INTERNAL_SYSFS_H__ */ |