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nexedi
linux
Commits
8ed693d2
Commit
8ed693d2
authored
Jul 23, 2005
by
Luming Yu
Committed by
Len Brown
Jul 23, 2005
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/home/lenb/linux-2.6 branch 'acpi-2.6.12'
parents
72538d85
668d74c0
Changes
1
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Showing
1 changed file
with
3 additions
and
14 deletions
+3
-14
drivers/acpi/ec.c
drivers/acpi/ec.c
+3
-14
No files found.
drivers/acpi/ec.c
View file @
8ed693d2
...
...
@@ -170,22 +170,19 @@ acpi_ec_enter_burst_mode (
status
=
acpi_ec_read_status
(
ec
);
if
(
status
!=
-
EINVAL
&&
!
(
status
&
ACPI_EC_FLAG_BURST
)){
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"entering burst mode
\n
"
));
acpi_hw_low_level_write
(
8
,
ACPI_EC_BURST_ENABLE
,
&
ec
->
command_addr
);
status
=
acpi_ec_wait
(
ec
,
ACPI_EC_EVENT_OBF
);
if
(
status
){
acpi_enable_gpe
(
NULL
,
ec
->
gpe_bit
,
ACPI_NOT_ISR
);
ACPI_DEBUG_PRINT
((
ACPI_DB_ERROR
,
" status = %d
\n
"
,
status
));
return_VALUE
(
-
EINVAL
);
}
acpi_hw_low_level_read
(
8
,
&
tmp
,
&
ec
->
data_addr
);
acpi_enable_gpe
(
NULL
,
ec
->
gpe_bit
,
ACPI_NOT_ISR
);
if
(
tmp
!=
0x90
)
{
/* Burst ACK byte*/
ACPI_DEBUG_PRINT
((
ACPI_DB_ERROR
,
"Ack failed
\n
"
));
return_VALUE
(
-
EINVAL
);
}
}
else
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"already be in burst mode
\n
"
));
}
atomic_set
(
&
ec
->
leaving_burst
,
0
);
return_VALUE
(
0
);
}
...
...
@@ -202,7 +199,6 @@ acpi_ec_leave_burst_mode (
status
=
acpi_ec_read_status
(
ec
);
if
(
status
!=
-
EINVAL
&&
(
status
&
ACPI_EC_FLAG_BURST
)){
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"leaving burst mode
\n
"
));
acpi_hw_low_level_write
(
8
,
ACPI_EC_BURST_DISABLE
,
&
ec
->
command_addr
);
status
=
acpi_ec_wait
(
ec
,
ACPI_EC_FLAG_IBF
);
if
(
status
){
...
...
@@ -212,14 +208,7 @@ acpi_ec_leave_burst_mode (
}
acpi_enable_gpe
(
NULL
,
ec
->
gpe_bit
,
ACPI_NOT_ISR
);
status
=
acpi_ec_read_status
(
ec
);
if
(
status
!=
-
EINVAL
&&
(
status
&
ACPI_EC_FLAG_BURST
))
{
ACPI_DEBUG_PRINT
((
ACPI_DB_ERROR
,
"------->status fail
\n
"
));
return_VALUE
(
-
EINVAL
);
}
}
else
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"already be in Non-burst mode
\n
"
));
ACPI_DEBUG_PRINT
((
ACPI_DB_INFO
,
"leaving burst mode
\n
"
));
}
return_VALUE
(
0
);
}
...
...
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