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authorAndy Lutomirski <luto@kernel.org>2015-12-30 09:53:51 +0300
committerDarren Hart (VMware) <dvhart@infradead.org>2017-06-06 20:15:19 +0300
commitf63019861cd1192e546397b13f926876a93450fd (patch)
tree0e6da687caee5612e7b660c8a6eb622db86acc86 /include/linux/wmi.h
parent9599ed919f9bc42ea0bdd49745bc8451019e0447 (diff)
downloadlinux-f63019861cd1192e546397b13f926876a93450fd.tar.xz
platform/x86: wmi: Add an interface for subdrivers to access sibling devices
Some subdrivers need to access sibling devices. This gives them a clean way to do so. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Mario Limonciello <mario_limonciello@dell.com> Cc: Pali Rohár <pali.rohar@gmail.com> Cc: linux-kernel@vger.kernel.org Cc: platform-driver-x86@vger.kernel.org Cc: linux-acpi@vger.kernel.org Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Diffstat (limited to 'include/linux/wmi.h')
-rw-r--r--include/linux/wmi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/wmi.h b/include/linux/wmi.h
index 0ab254019488..a283768afb7e 100644
--- a/include/linux/wmi.h
+++ b/include/linux/wmi.h
@@ -33,6 +33,10 @@ struct wmi_device {
extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
u8 instance);
+/* Gets another device on the same bus. Caller must put_device the result. */
+extern struct wmi_device *wmidev_get_other_guid(struct wmi_device *wdev,
+ const char *guid_string);
+
struct wmi_device_id {
const char *guid_string;
};