diff options
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 73833079bac8..c6f92ec636e7 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -117,6 +117,7 @@ MODULE_LICENSE("GPL"); #define HCI_LCD_BRIGHTNESS 0x002a #define HCI_WIRELESS 0x0056 #define HCI_ACCELEROMETER 0x006d +#define HCI_COOLING_METHOD 0x007f #define HCI_KBD_ILLUMINATION 0x0095 #define HCI_ECO_MODE 0x0097 #define HCI_ACCELEROMETER2 0x00a6 @@ -186,6 +187,7 @@ struct toshiba_acpi_dev { int usbsc_bat_level; int usbsc_mode_base; int hotkey_event_type; + int max_cooling_method; unsigned int illumination_supported:1; unsigned int video_supported:1; @@ -205,6 +207,7 @@ struct toshiba_acpi_dev { unsigned int panel_power_on_supported:1; unsigned int usb_three_supported:1; unsigned int wwan_supported:1; + unsigned int cooling_method_supported:1; unsigned int sysfs_created:1; unsigned int special_functions; @@ -1194,6 +1197,53 @@ static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state) return out[0] == TOS_SUCCESS ? 0 : -EIO; } +/* Cooling Method */ +static void toshiba_cooling_method_available(struct toshiba_acpi_dev *dev) +{ + u32 in[TCI_WORDS] = { HCI_GET, HCI_COOLING_METHOD, 0, 0, 0, 0 }; + u32 out[TCI_WORDS]; + acpi_status status; + + dev->cooling_method_supported = 0; + dev->max_cooling_method = 0; + + status = tci_raw(dev, in, out); + if (ACPI_FAILURE(status)) + pr_err("ACPI call to get Cooling Method failed\n"); + + if (out[0] != TOS_SUCCESS && out[0] != TOS_SUCCESS2) + return; + + dev->cooling_method_supported = 1; + dev->max_cooling_method = out[3]; +} + +static int toshiba_cooling_method_get(struct toshiba_acpi_dev *dev, u32 *state) +{ + u32 result = hci_read(dev, HCI_COOLING_METHOD, state); + + if (result == TOS_FAILURE) + pr_err("ACPI call to get Cooling Method failed\n"); + + if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + + return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; +} + +static int toshiba_cooling_method_set(struct toshiba_acpi_dev *dev, u32 state) +{ + u32 result = hci_write(dev, HCI_COOLING_METHOD, state); + + if (result == TOS_FAILURE) + pr_err("ACPI call to get Cooling Method failed\n"); + + if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + + return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; +} + /* Transflective Backlight */ static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 *status) { @@ -2779,6 +2829,8 @@ static void print_supported_features(struct toshiba_acpi_dev *dev) pr_cont(" usb3"); if (dev->wwan_supported) pr_cont(" wwan"); + if (dev->cooling_method_supported) + pr_cont(" cooling-method"); pr_cont("\n"); } @@ -2963,6 +3015,8 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) if (dev->wwan_supported) toshiba_acpi_setup_wwan_rfkill(dev); + toshiba_cooling_method_available(dev); + print_supported_features(dev); ret = sysfs_create_group(&dev->acpi_dev->dev.kobj, |