diff options
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/msi-laptop.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index ff21d1acf3b..af1b62f7611 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; |