From fabf85e3ca15d5b94058f391dac8df870cdd427a Mon Sep 17 00:00:00 2001
From: Kyle Evans <kvans32@gmail.com>
Date: Thu, 31 Jan 2013 15:44:27 -0500
Subject: [PATCH] hp-wmi: Add support for SMBus hotkeys
Several models of HP laptops using the same DSDT have hotkey buttons
that do not work until the EC is configured to enable them.
Signed-off-by: Kyle Evans <kvans32@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
---
drivers/platform/x86/hp-wmi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 2179c03b94de..be9227dd82be 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -138,6 +138,7 @@ 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 }
};
@@ -926,6 +927,9 @@ 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) {
--
2.34.1