Lenovo PMH7: add pmh7_ultrabay_power_enable()

Can be used to enable/disable Ultrabay power on Thinkpads
who control that with the PMH7. (i.e. T60)

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6546 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c
index d536d74c75f622fd157bfe8de99c378da7416921..0ac8fa18deaed53539049f4e4b0a07a8c7a4f1e6 100644 (file)
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -49,6 +49,15 @@ void pmh7_touchpad_enable(int onoff)
        else
                pmh7_register_set_bit(0x51, 2);
 }
+
+void pmh7_ultrabay_power_enable(int onoff)
+{
+       if (onoff)
+               pmh7_register_clear_bit(0x62, 0);
+       else
+               pmh7_register_set_bit(0x62, 0);
+}
+
 void pmh7_register_set_bit(int reg, int bit)
 {
        char val;

diff --git a/src/ec/lenovo/pmh7/pmh7.h b/src/ec/lenovo/pmh7/pmh7.h
index 701013b3960794c9374f518a26d5377a2e4f0d58..35438028a65ea8a397076e68865129918e8a1ef0 100644 (file)
--- a/src/ec/lenovo/pmh7/pmh7.h
+++ b/src/ec/lenovo/pmh7/pmh7.h
@@ -34,4 +34,5 @@ void pmh7_register_write(int reg, int val);
 void pmh7_backlight_enable(int onoff);
 void pmh7_dock_event_enable(int onoff);
 void pmh7_touchpad_enable(int onoff);
+void pmh7_ultrabay_power_enable(int onoff);
 #endif