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authorLinus Torvalds <torvalds@linux-foundation.org>2016-07-27 14:58:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-27 14:58:31 -0700
commitff9a082fda424257976f08fce942609f358015e0 (patch)
tree478e6b449b19baaf842369a13923499ce83ef895 /drivers/media/dvb-core/dvb_ringbuffer.h
parent6a492b0f23d28e1f946cdf08e54617484400dafb (diff)
parent85538b1ad145c67198cb55d02de14ba269cc323d (diff)
Merge tag 'media/v4.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media documentation updates from Mauro Carvalho Chehab: "This patch series does the conversion of all media documentation stuff to Restrutured Text markup format and add them to the Documentation/index.rst file. The media documentation was grouped into 4 books: - media uAPI - media kAPI - V4L driver-specific documentation - DVB driver-specific documentation It also contains several documentation improvements and one fixup patch for a core issue with cropcap. PS. After this patch series, the media DocBook is deprecated and should be removed. I'll add such patch on a future pull request" * tag 'media/v4.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (322 commits) [media] cx23885-cardlist.rst: add a new card [media] doc-rst: add some needed escape codes [media] doc-rst: kapi: use :c:func: instead of :cpp:func doc-rst: kernel-doc: fix a change introduced by mistake [media] v4l2-ioctl.h add debug info for struct v4l2_ioctl_ops [media] dvb_ringbuffer.h: some documentation improvements [media] v4l2-ctrls.h: fully document the header file [media] doc-rst: Fix some typedef ugly warnings [media] doc-rst: reorganize the kAPI v4l2 chapters [media] rename v4l2-framework.rst to v4l2-intro.rst [media] move V4L2 clocks to a separate .rst file [media] v4l2-fh.rst: add cross references and markups [media] v4l2-fh.rst: add fh contents from v4l2-framework.rst [media] v4l2-fh.h: add documentation for it [media] v4l2-event.rst: add cross-references and markups [media] v4l2-event.h: document all functions [media] v4l2-event.rst: add text from v4l2-framework.rst [media] v4l2-framework.rst: remove videobuf quick chapter [media] v4l2-dev: add cross-references and improve markup [media] doc-rst: move v4l2-dev doc to a separate file ...
Diffstat (limited to 'drivers/media/dvb-core/dvb_ringbuffer.h')
-rw-r--r--drivers/media/dvb-core/dvb_ringbuffer.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/media/dvb-core/dvb_ringbuffer.h b/drivers/media/dvb-core/dvb_ringbuffer.h
index 3ebc2d34b4a2..8af642399f1e 100644
--- a/drivers/media/dvb-core/dvb_ringbuffer.h
+++ b/drivers/media/dvb-core/dvb_ringbuffer.h
@@ -150,9 +150,6 @@ extern ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf,
/**
* dvb_ringbuffer_pkt_read_user - Read from a packet in the ringbuffer.
- * Note: unlike dvb_ringbuffer_read(), this does NOT update the read pointer
- * in the ringbuffer. You must use dvb_ringbuffer_pkt_dispose() to mark a
- * packet as no longer required.
*
* @rbuf: Ringbuffer concerned.
* @idx: Packet index as returned by dvb_ringbuffer_pkt_next().
@@ -161,9 +158,17 @@ extern ssize_t dvb_ringbuffer_pkt_write(struct dvb_ringbuffer *rbuf, u8* buf,
* @len: Size of destination buffer.
*
* returns Number of bytes read, or -EFAULT.
+ *
+ * .. note::
+ *
+ * unlike dvb_ringbuffer_read(), this does **NOT** update the read pointer
+ * in the ringbuffer. You must use dvb_ringbuffer_pkt_dispose() to mark a
+ * packet as no longer required.
*/
-extern ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf, size_t idx,
- int offset, u8 __user *buf, size_t len);
+extern ssize_t dvb_ringbuffer_pkt_read_user(struct dvb_ringbuffer *rbuf,
+ size_t idx,
+ int offset, u8 __user *buf,
+ size_t len);
/**
* dvb_ringbuffer_pkt_read - Read from a packet in the ringbuffer.