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Kirill Smelkov
linux
Commits
c6a2a035
Commit
c6a2a035
authored
Oct 20, 2002
by
Vojtech Pavlik
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atkbd.c: Only issue the set LED command during probe when absolutely needed.
parent
16f3374d
Changes
1
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1 changed file
with
18 additions
and
9 deletions
+18
-9
drivers/input/keyboard/atkbd.c
drivers/input/keyboard/atkbd.c
+18
-9
No files found.
drivers/input/keyboard/atkbd.c
View file @
c6a2a035
...
...
@@ -379,15 +379,6 @@ static int atkbd_probe(struct atkbd *atkbd)
if
(
atkbd_command
(
atkbd
,
NULL
,
ATKBD_CMD_RESET_BAT
))
printk
(
KERN_WARNING
"atkbd.c: keyboard reset failed
\n
"
);
/*
* Next we check we can set LEDs on the keyboard. This should work on every
* keyboard out there. It also turns the LEDs off, which we want anyway.
*/
param
[
0
]
=
0
;
if
(
atkbd_command
(
atkbd
,
param
,
ATKBD_CMD_SETLEDS
))
return
-
1
;
/*
* Then we check the keyboard ID. We should get 0xab83 under normal conditions.
* Some keyboards report different values, but the first byte is always 0xab or
...
...
@@ -395,9 +386,19 @@ static int atkbd_probe(struct atkbd *atkbd)
*/
if
(
atkbd_command
(
atkbd
,
param
,
ATKBD_CMD_GETID
))
{
/*
* If the get ID command failed, we check if we can at least set the LEDs on
* the keyboard. This should work on every keyboard out there. It also turns
* the LEDs off, which we want anyway.
*/
param
[
0
]
=
0
;
if
(
atkbd_command
(
atkbd
,
param
,
ATKBD_CMD_SETLEDS
))
return
-
1
;
atkbd
->
id
=
0xabba
;
return
0
;
}
if
(
param
[
0
]
!=
0xab
&&
param
[
0
]
!=
0xac
)
return
-
1
;
atkbd
->
id
=
param
[
0
]
<<
8
;
...
...
@@ -405,6 +406,14 @@ static int atkbd_probe(struct atkbd *atkbd)
return
-
1
;
atkbd
->
id
|=
param
[
0
];
/*
* Set the LEDs to a defined state.
*/
param
[
0
]
=
0
;
if
(
atkbd_command
(
atkbd
,
param
,
ATKBD_CMD_SETLEDS
))
return
-
1
;
/*
* Disable autorepeat. We don't need it, as we do it in software anyway,
* because that way can get faster repeat, and have less system load (less
...
...
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