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linux
linux-davinci-2.6.23
Commits
30420f8f
Commit
30420f8f
authored
Jan 09, 2006
by
Matthew Garrett
Committed by
Linus Torvalds
Jan 10, 2006
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[PATCH] Add sysfs entry to disable framebuffer access
What
parent
c35dba60
Changes
1
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1 changed file
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23 additions
and
0 deletions
+23
-0
drivers/video/fbsysfs.c
drivers/video/fbsysfs.c
+23
-0
No files found.
drivers/video/fbsysfs.c
View file @
30420f8f
...
...
@@ -492,6 +492,28 @@ static ssize_t show_name(struct class_device *class_device, char *buf)
return
snprintf
(
buf
,
PAGE_SIZE
,
"%s
\n
"
,
fb_info
->
fix
.
id
);
}
static
ssize_t
store_fbstate
(
struct
class_device
*
class_device
,
const
char
*
buf
,
size_t
count
)
{
struct
fb_info
*
fb_info
=
class_get_devdata
(
class_device
);
u32
state
;
char
*
last
=
NULL
;
state
=
simple_strtoul
(
buf
,
&
last
,
0
);
acquire_console_sem
();
fb_set_suspend
(
fb_info
,
(
int
)
state
);
release_console_sem
();
return
count
;
}
static
ssize_t
show_fbstate
(
struct
class_device
*
class_device
,
char
*
buf
)
{
struct
fb_info
*
fb_info
=
class_get_devdata
(
class_device
);
return
snprintf
(
buf
,
PAGE_SIZE
,
"%d
\n
"
,
fb_info
->
state
);
}
static
struct
class_device_attribute
class_device_attrs
[]
=
{
__ATTR
(
bits_per_pixel
,
S_IRUGO
|
S_IWUSR
,
show_bpp
,
store_bpp
),
__ATTR
(
blank
,
S_IRUGO
|
S_IWUSR
,
show_blank
,
store_blank
),
...
...
@@ -507,6 +529,7 @@ static struct class_device_attribute class_device_attrs[] = {
__ATTR
(
rotate
,
S_IRUGO
|
S_IWUSR
,
show_rotate
,
store_rotate
),
__ATTR
(
con_rotate
,
S_IRUGO
|
S_IWUSR
,
show_con_rotate
,
store_con_rotate
),
__ATTR
(
con_rotate_all
,
S_IWUSR
,
NULL
,
store_con_rotate_all
),
__ATTR
(
state
,
S_IRUGO
|
S_IWUSR
,
show_fbstate
,
store_fbstate
),
};
int
fb_init_class_device
(
struct
fb_info
*
fb_info
)
...
...
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