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| author |   Pali Rohár <pali.rohar@gmail.com> | 2017-08-12 09:44:16 +0200 |
|---|---|---|
| committer |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-08-13 15:55:05 +0300 |
| commit | 0fe57261214bcc866ef0233444a395b5fdfb5ac3 (patch) | |
| tree | ec8441d54a3b206a72ab05e24e455f7e7f9ddd84 /drivers/platform | |
| parent | platform/x86: intel_scu_ipc: make intel_scu_ipc_pdata_t const (diff) | |
| download | linux-dev-0fe57261214bcc866ef0233444a395b5fdfb5ac3.tar.xz linux-dev-0fe57261214bcc866ef0233444a395b5fdfb5ac3.zip | |
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>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 709e3a67391a..48e1541dc8d4 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -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)) |