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 d536d74..0ac8fa1 100644
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -49,6 +49,15 @@
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 701013b..3543802 100644
--- a/src/ec/lenovo/pmh7/pmh7.h
+++ b/src/ec/lenovo/pmh7/pmh7.h
@@ -34,4 +34,5 @@
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