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authorGeorgi Chorbadzhiyski <gf@unixsol.org>2014-01-16 12:07:11 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-02-04 13:07:01 -0200
commitdef62216041a63d45d0fd0ff014abdc9832ee611 (patch)
tree835ee5f7f99c89d11d6b77ee0d3fdf8831d15393 /Documentation/DocBook/media/dvb/frontend.xml
parent692a228e9ae419b3f51e94d1c60c1b18f37e3676 (diff)
downloadop-kernel-dev-def62216041a63d45d0fd0ff014abdc9832ee611.zip
op-kernel-dev-def62216041a63d45d0fd0ff014abdc9832ee611.tar.gz
[media] FE_READ_SNR and FE_READ_SIGNAL_STRENGTH docs
Around 01/14/2014 06:07 PM, Mauro Carvalho Chehab scribbled: > Em Tue, 14 Jan 2014 17:55:19 +0200 > Georgi Chorbadzhiyski <gf@unixsol.org> escreveu: >> Around 01/14/2014 05:30 PM, Mauro Carvalho Chehab scribbled: >>> Em Tue, 14 Jan 2014 17:16:10 +0200 >>> Georgi Chorbadzhiyski <gf@unixsol.org> escreveu: >>> >>>> Hi guys, I'm confused the documentation on: >>>> >>>> http://linuxtv.org/downloads/v4l-dvb-apis/frontend_fcalls.html#FE_READ_SNR >>>> http://linuxtv.org/downloads/v4l-dvb-apis/frontend_fcalls.html#FE_READ_SIGNAL_STRENGTH >>>> >>>> states that these ioctls return int16_t values but frontend.h states: >>>> >>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/dvb/frontend.h >>>> >>>> #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) >>>> #define FE_READ_SNR _IOR('o', 72, __u16) >>>> >>>> So which one is true? >>> >>> Documentation is wrong. The returned values are unsigned. Would you mind send >>> us a patch fixing it? >> >> I would be happy to, but I can't find the repo that holds the documentation. > > It is in the Kernel tree, under Documentation/DocBook/media/dvb. The attached file contains the discussed documentation fixes. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'Documentation/DocBook/media/dvb/frontend.xml')
-rw-r--r--Documentation/DocBook/media/dvb/frontend.xml8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/dvb/frontend.xml b/Documentation/DocBook/media/dvb/frontend.xml
index 0d6e81b..8a6a6ff 100644
--- a/Documentation/DocBook/media/dvb/frontend.xml
+++ b/Documentation/DocBook/media/dvb/frontend.xml
@@ -744,7 +744,7 @@ typedef enum fe_hierarchy {
</para>
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
-<para>int ioctl(int fd, int request = <link linkend="FE_READ_SNR">FE_READ_SNR</link>, int16_t
+<para>int ioctl(int fd, int request = <link linkend="FE_READ_SNR">FE_READ_SNR</link>, uint16_t
&#x22C6;snr);</para>
</entry>
</row></tbody></tgroup></informaltable>
@@ -766,7 +766,7 @@ typedef enum fe_hierarchy {
</entry>
</row><row><entry
align="char">
-<para>int16_t *snr</para>
+<para>uint16_t *snr</para>
</entry><entry
align="char">
<para>The signal-to-noise ratio is stored into *snr.</para>
@@ -791,7 +791,7 @@ typedef enum fe_hierarchy {
<informaltable><tgroup cols="1"><tbody><row><entry
align="char">
<para>int ioctl( int fd, int request =
- <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link>, int16_t &#x22C6;strength);</para>
+ <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link>, uint16_t &#x22C6;strength);</para>
</entry>
</row></tbody></tgroup></informaltable>
@@ -814,7 +814,7 @@ typedef enum fe_hierarchy {
</entry>
</row><row><entry
align="char">
-<para>int16_t *strength</para>
+<para>uint16_t *strength</para>
</entry><entry
align="char">
<para>The signal strength value is stored into *strength.</para>
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