summaryrefslogtreecommitdiff
path: root/src/ec
diff options
context:
space:
mode:
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/lenovo/pmh7/chip.h9
-rw-r--r--src/ec/lenovo/pmh7/pmh7.c12
-rw-r--r--src/ec/lenovo/pmh7/pmh7.h1
3 files changed, 22 insertions, 0 deletions
diff --git a/src/ec/lenovo/pmh7/chip.h b/src/ec/lenovo/pmh7/chip.h
new file mode 100644
index 0000000000..e11b772697
--- /dev/null
+++ b/src/ec/lenovo/pmh7/chip.h
@@ -0,0 +1,9 @@
+#ifndef EC_LENOVO_PMH7_CHIP_H
+#define EC_LENOVO_PMH7_CHIP_H
+
+extern struct chip_operations ec_lenovo_pmh7_ops;
+
+struct ec_lenovo_pmh7_config {
+ int backlight_enable:1;
+};
+#endif
diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c
index a46e179f81..ba378666a2 100644
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -23,6 +23,15 @@
#include <device/pnp.h>
#include <stdlib.h>
#include "pmh7.h"
+#include "chip.h"
+
+void pmh7_backlight_enable(int onoff)
+{
+ if (onoff)
+ pmh7_register_set_bit(0x50, 5);
+ else
+ pmh7_register_clear_bit(0x50, 5);
+}
void pmh7_register_set_bit(int reg, int bit)
{
@@ -58,6 +67,7 @@ void pmh7_register_write(int reg, int val)
static void enable_dev(device_t dev)
{
+ struct ec_lenovo_pmh7_config *conf = dev->chip_info;
struct resource *resource;
resource = new_resource(dev, EC_LENOVO_PMH7_INDEX);
@@ -66,6 +76,8 @@ static void enable_dev(device_t dev)
resource->size = 16;
resource->align = 5;
resource->gran = 5;
+
+ pmh7_backlight_enable(conf->backlight_enable);
}
struct chip_operations ec_lenovo_pmh7_ops = {
diff --git a/src/ec/lenovo/pmh7/pmh7.h b/src/ec/lenovo/pmh7/pmh7.h
index a4a61cc2a1..a85d710689 100644
--- a/src/ec/lenovo/pmh7/pmh7.h
+++ b/src/ec/lenovo/pmh7/pmh7.h
@@ -31,4 +31,5 @@ void pmh7_register_clear_bit(int reg, int bit);
char pmh7_register_read(int reg);
void pmh7_register_write(int reg, int val);
+void pmh7_backlight_enable(int onoff);
#endif