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platform/x86: asus-wmi: Evaluate wmi method with instance number 0x0 

According to available DSDT dump from Asus machine, there is the only one
instance of the WMI GUID 97845ED0-4E6D-11DE-8A39-0800200C9A66 and so it is
0x0. Moreover corresponding method WMBC does not check Arg0 (instance
number) at all.

DSDT dump is available at:
https://lwn.net/Articles/391249/

_WDG dump:
0xD0, 0x5E, 0x84, 0x97, 0x6D, 0x4E, 0xDE, 0x11, 0x8A, 0x39, 0x08,
0x00, 0x20, 0x0C, 0x9A, 0x66,
0x42, 0x43,    // Object ID "BC" = method "WMBC"
0x01,          // Instance count
0x02,          // Flags

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
zero-colors
Pali Rohár 2017-08-12 09:44:16 +02:00 committed by Andy Shevchenko
parent 9a862ed5f9
commit 0fe5726121
1 changed files with 2 additions and 2 deletions
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4
drivers/platform/x86/asus-wmi.c
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@ -299,7 +299,7 @@ static int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1,
union acpi_object *obj;
u32 tmp = 0;
status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 1, method_id,
status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
&input, &output);
if (ACPI_FAILURE(status))
@ -1946,7 +1946,7 @@ static int show_call(struct seq_file *m, void *data)
acpi_status status;
status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
1, asus->debug.method_id,
0, asus->debug.method_id,
&input, &output);
if (ACPI_FAILURE(status))