diff options
Diffstat (limited to 'drivers/platform/x86/hp-wmi.c')
| -rw-r--r-- | drivers/platform/x86/hp-wmi.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 1762f335bac9..ecd477964d11 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -81,6 +81,7 @@ enum hp_wmi_commandtype { HPWMI_FEATURE2_QUERY = 0x0d, HPWMI_WIRELESS2_QUERY = 0x1b, HPWMI_POSTCODEERROR_QUERY = 0x2a, + HPWMI_THERMAL_POLICY_QUERY = 0x4c, }; enum hp_wmi_command { @@ -861,6 +862,26 @@ fail: return err; } +static int thermal_policy_setup(struct platform_device *device) +{ + int err, tp; + + tp = hp_wmi_read_int(HPWMI_THERMAL_POLICY_QUERY); + if (tp < 0) + return tp; + + /* + * call thermal policy write command to ensure that the firmware correctly + * sets the OEM variables for the DPTF + */ + err = hp_wmi_perform_query(HPWMI_THERMAL_POLICY_QUERY, HPWMI_WRITE, &tp, + sizeof(tp), 0); + if (err) + return err; + + return 0; +} + static int __init hp_wmi_bios_setup(struct platform_device *device) { /* clear detected rfkill devices */ @@ -872,6 +893,8 @@ static int __init hp_wmi_bios_setup(struct platform_device *device) if (hp_wmi_rfkill_setup(device)) hp_wmi_rfkill2_setup(device); + thermal_policy_setup(device); + return 0; } |