Module: xenomai-abe
Branch: analogy
Commit: 83c79e3d5f94fb66fdc432dd9054c86641481d8e
URL:
http://git.xenomai.org/?p=xenomai-abe.git;a=commit;h=83c79e3d5f94fb66fdc432dd9054c86641481d8e
Author: Alexis Berlemont <alexis.berlem...@gmail.com>
Date: Sun May 16 23:57:19 2010 +0200
analogy: update comments on a4l_context (broken)
---
include/analogy/context.h | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/include/analogy/context.h b/include/analogy/context.h
index d30bbba..e0cf01c 100644
--- a/include/analogy/context.h
+++ b/include/analogy/context.h
@@ -29,15 +29,18 @@ struct a4l_device;
struct a4l_buffer;
struct a4l_device_context {
- /* No need to hold user_info, thanks to container_of, we could
- get it back */
+
+ /* Needed to call rtdm_*_copy_from/to_user functions */
rtdm_user_info_t *user_info;
- struct a4l_device *dev; /* Which is retrieved thanks to minor
- at open time */
+ /* The adequate device pointer
+ (retrieved thanks to minor at open time) */
+ struct a4l_device *dev;
- struct buffer buffer; /* The buffer field is extracted from
- the transfer structure */
+ /* The buffer structure contains everything to transfer data
+ from asynchronous acquisition operations on a specific
+ subdevice */
+ struct buffer buffer;
};
#endif /* __KERNEL__ && !DOXYGEN_CPP */
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