diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 19:03:41 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 19:03:41 -0700 |
commit | 6df419e45d71b8d9a0de8e92a1212bbea460f0e0 (patch) | |
tree | c0902a96353391400818fe8b7adf11493b56935a /Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml | |
parent | 27c1ee3f929555b71fa39ec0d81a7e7185de1b16 (diff) | |
parent | c893e7c64e36087dceb4662917976a81d1754fc0 (diff) |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"This is the first part of the media patches for v3.6.
This patch series contain:
- new DVB frontend: rtl2832
- new video drivers: adv7393
- some unused files got removed
- a selection API cleanup between V4L2 and V4L2 subdev API's
- a major redesign at v4l-ioctl2, in order to clean it up
- several driver fixes and improvements."
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (174 commits)
v4l: Export v4l2-common.h in include/linux/Kbuild
media: Revert "[media] Terratec Cinergy S2 USB HD Rev.2"
[media] media: Use pr_info not homegrown pr_reg macro
[media] Terratec Cinergy S2 USB HD Rev.2
[media] v4l: Correct conflicting V4L2 subdev selection API documentation
[media] Feature removal: V4L2 selections API target and flag definitions
[media] v4l: Unify selection flags documentation
[media] v4l: Unify selection flags
[media] v4l: Common documentation for selection targets
[media] v4l: Unify selection targets across V4L2 and V4L2 subdev interfaces
[media] v4l: Remove "_ACTUAL" from subdev selection API target definition names
[media] V4L: Remove "_ACTIVE" from the selection target name definitions
[media] media: dvb-usb: print mac address via native %pM
[media] s5p-tv: Use module_i2c_driver in sii9234_drv.c file
[media] media: gpio-ir-recv: add allowed_protos for platform data
[media] s5p-jpeg: Use module_platform_driver in jpeg-core.c file
[media] saa7134: fix spelling of detach in label
[media] cx88-blackbird: replace ioctl by unlocked_ioctl
[media] cx88: don't use current_norm
[media] cx88: fix a number of v4l2-compliance violations
...
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml')
-rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml b/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml index 407dfceb71f..f4db44d0d95 100644 --- a/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml +++ b/Documentation/DocBook/media/v4l/vidioc-s-hw-freq-seek.xml @@ -58,6 +58,9 @@ To do this applications initialize the <structfield>tuner</structfield>, call the <constant>VIDIOC_S_HW_FREQ_SEEK</constant> ioctl with a pointer to this structure.</para> + <para>If an error is returned, then the original frequency will + be restored.</para> + <para>This ioctl is supported if the <constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability is set.</para> <table pgwide="1" frame="none" id="v4l2-hw-freq-seek"> @@ -87,7 +90,10 @@ field and the &v4l2-tuner; <structfield>index</structfield> field.</entry> <row> <entry>__u32</entry> <entry><structfield>wrap_around</structfield></entry> - <entry>If non-zero, wrap around when at the end of the frequency range, else stop seeking.</entry> + <entry>If non-zero, wrap around when at the end of the frequency range, else stop seeking. + The &v4l2-tuner; <structfield>capability</structfield> field will tell you what the + hardware supports. + </entry> </row> <row> <entry>__u32</entry> @@ -118,9 +124,15 @@ wrong.</para> </listitem> </varlistentry> <varlistentry> - <term><errorcode>EAGAIN</errorcode></term> + <term><errorcode>ENODATA</errorcode></term> + <listitem> + <para>The hardware seek found no channels.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><errorcode>EBUSY</errorcode></term> <listitem> - <para>The ioctl timed-out. Try again.</para> + <para>Another hardware seek is already in progress.</para> </listitem> </varlistentry> </variablelist> |