summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/platform/x86/msi-laptop.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index ff21d1a..af1b62f 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -77,6 +77,8 @@
#define MSI_STANDARD_EC_SCM_LOAD_ADDRESS 0x2d
#define MSI_STANDARD_EC_SCM_LOAD_MASK (1 << 0)
+static int msi_laptop_resume(struct platform_device *device);
+
static int force;
module_param(force, bool, 0);
MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
@@ -395,7 +397,8 @@ static struct platform_driver msipf_driver = {
.driver = {
.name = "msi-laptop-pf",
.owner = THIS_MODULE,
- }
+ },
+ .resume = msi_laptop_resume,
};
static struct platform_device *msipf_device;
@@ -584,6 +587,27 @@ err_bluetooth:
return retval;
}
+static int msi_laptop_resume(struct platform_device *device)
+{
+ u8 data;
+ int result;
+
+ if (!load_scm_model)
+ return 0;
+
+ /* set load SCM to disable hardware control by fn key */
+ result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data);
+ if (result < 0)
+ return result;
+
+ result = ec_write(MSI_STANDARD_EC_SCM_LOAD_ADDRESS,
+ data | MSI_STANDARD_EC_SCM_LOAD_MASK);
+ if (result < 0)
+ return result;
+
+ return 0;
+}
+
static int load_scm_model_init(struct platform_device *sdev)
{
u8 data;
OpenPOWER on IntegriCloud