Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
b0166ab3
Commit
b0166ab3
authored
Apr 24, 2008
by
Mauro Carvalho Chehab
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
V4L/DVB (7731): tuner-xc2028: fix signal strength calculus
Signed-off-by:
Mauro Carvalho Chehab
<
mchehab@infradead.org
>
parent
c21f1e2e
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
10 additions
and
3 deletions
+10
-3
drivers/media/video/tuner-xc2028.c
drivers/media/video/tuner-xc2028.c
+10
-3
No files found.
drivers/media/video/tuner-xc2028.c
View file @
b0166ab3
...
...
@@ -844,21 +844,28 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
/* Sync Lock Indicator */
rc
=
xc2028_get_reg
(
priv
,
0x0002
,
&
frq_lock
);
if
(
rc
<
0
||
frq_lock
==
0
)
if
(
rc
<
0
)
goto
ret
;
/* Frequency is locked. Return signal quality */
/* Frequency is locked */
if
(
frq_lock
==
1
)
signal
=
32768
;
/* Get SNR of the video signal */
rc
=
xc2028_get_reg
(
priv
,
0x0040
,
&
signal
);
if
(
rc
<
0
)
signal
=
-
frq_lock
;
goto
ret
;
/* Use both frq_lock and signal to generate the result */
signal
=
signal
||
((
signal
&
0x07
)
<<
12
);
ret:
mutex_unlock
(
&
priv
->
lock
);
*
strength
=
signal
;
tuner_dbg
(
"signal strength is %d
\n
"
,
signal
);
return
rc
;
}
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment