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hp-wmi: Add support for SMBus hotkeys
author
Kyle Evans
<kvans32@gmail.com>
Mon, 10 Dec 2012 08:08:40 +0000
(
03:08
-0500)
committer
Kyle Evans
<kevans@android-x86.org>
Fri, 29 Mar 2013 17:28:19 +0000
(12:28 -0500)
Several models of HP laptops using the same DSDT have hotkey buttons
that do not work until the EC is configured to enable them.
drivers/platform/x86/hp-wmi.c
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diff --git
a/drivers/platform/x86/hp-wmi.c
b/drivers/platform/x86/hp-wmi.c
index
e2faa3c
..
9e098f4
100644
(file)
--- a/
drivers/platform/x86/hp-wmi.c
+++ b/
drivers/platform/x86/hp-wmi.c
@@
-137,6
+137,7
@@
static const struct key_entry hp_wmi_keymap[] = {
{ KE_KEY, 0x2142, { KEY_MEDIA } },
{ KE_KEY, 0x213b, { KEY_INFO } },
{ KE_KEY, 0x2169, { KEY_DIRECTION } },
+ { KE_KEY, 0x216a, { KEY_SETUP } },
{ KE_KEY, 0x231b, { KEY_HELP } },
{ KE_END, 0 }
};
@@
-874,6
+875,9
@@
static int __init hp_wmi_init(void)
err = hp_wmi_input_setup();
if (err)
return err;
+
+ //Enable magic for hotkeys that run on the SMBus
+ ec_write(0xe6,0x6e);
}
if (bios_capable) {