Merge tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:

 - Move the Dell dcdbas and dell_rbu drivers into platform/drivers/x86
   as they are closely coupled with other drivers in this location.

 - Improve _init* usage for acerhdf and fix some usage issues with
   messages and module parameters.

 - Simplify asus-wmi by calling ACPI/WMI methods directly, eliminating
   workqueue overhead, eliminate double reporting of keyboard backlight.

 - Fix wake from USB failure on Bay Trail devices (intel_int0002_vgpio).

 - Notify intel_telemetry users when IPC1 device is not enabled.

 - Update various drivers with new laptop model IDs.

 - Update several intel drivers to use SPDX identifers and order headers
   alphabetically.

* tag 'platform-drivers-x86-v4.20-1' of git://git.infradead.org/linux-platform-drivers-x86: (64 commits)
  HID: asus: only support backlight when it's not driven by WMI
  platform/x86: asus-wmi: export function for evaluating WMI methods
  platform/x86: asus-wmi: Only notify kbd LED hw_change by fn-key pressed
  platform/x86: wmi: declare device_type structure as constant
  platform/x86: ideapad: Add Y530-15ICH to no_hw_rfkill
  platform/x86: Add Intel AtomISP2 dummy / power-management driver
  platform/x86: touchscreen_dmi: Add min-x and min-y settings for various models
  platform/x86: touchscreen_dmi: Add info for the Onda V80 Plus v3 tablet
  platform/x86: touchscreen_dmi: Add info for the Trekstor Primetab T13B tablet
  platform/x86: intel_telemetry: Get rid of custom macro
  platform/x86: intel_telemetry: report debugfs failure
  MAINTAINERS: intel_telemetry: Update maintainers info
  platform/x86: Add LG Gram laptop special features driver
  platform/x86: asus-wmi: Simplify the keyboard brightness updating process
  platform/x86: touchscreen_dmi: Add info for the Trekstor Primebook C11 convertible
  platform/x86: mlx-platform: Properly use mlxplat_mlxcpld_msn201x_items
  MAINTAINERS: intel_pmc_core: Update MAINTAINERS
  firmware: dcdbas: include linux/io.h
  platform/x86: intel-wmi-thunderbolt: Add dynamic debugging
  platform/x86: intel-wmi-thunderbolt: Convert to use SPDX identifier
  ...

47 files changed, 1587 insertions, 494 deletions

diff --git a/Documentation/ABI/testing/sysfs-platform-lg-laptop b/Documentation/ABI/testing/sysfs-platform-lg-laptop
new file mode 100644
index 000000000000..cf47749b19df
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-lg-laptop
@@ -0,0 +1,35 @@
+What:		/sys/devices/platform/lg-laptop/reader_mode
+Date:		October 2018
+KernelVersion:	4.20
+Contact:	"Matan Ziv-Av <matan@svgalib.org>
+Description:
+        Control reader mode. 1 means on, 0 means off.
+
+What:		/sys/devices/platform/lg-laptop/fn_lock
+Date:		October 2018
+KernelVersion:	4.20
+Contact:	"Matan Ziv-Av <matan@svgalib.org>
+Description:
+        Control FN lock mode. 1 means on, 0 means off.
+
+What:		/sys/devices/platform/lg-laptop/battery_care_limit
+Date:		October 2018
+KernelVersion:	4.20
+Contact:	"Matan Ziv-Av <matan@svgalib.org>
+Description:
+        Maximal battery charge level. Accepted values are 80 or 100.
+
+What:		/sys/devices/platform/lg-laptop/fan_mode
+Date:		October 2018
+KernelVersion:	4.20
+Contact:	"Matan Ziv-Av <matan@svgalib.org>
+Description:
+        Control fan mode. 1 for performance mode, 0 for silent mode.
+
+What:		/sys/devices/platform/lg-laptop/usb_charge
+Date:		October 2018
+KernelVersion:	4.20
+Contact:	"Matan Ziv-Av <matan@svgalib.org>
+Description:
+        Control USB port charging when device is turned off.
+        1 means on, 0 means off.
diff --git a/Documentation/laptops/lg-laptop.rst b/Documentation/laptops/lg-laptop.rst
new file mode 100644
index 000000000000..e486fe7ddc35
--- /dev/null
+++ b/Documentation/laptops/lg-laptop.rst
@@ -0,0 +1,81 @@
+.. SPDX-License-Identifier: GPL-2.0+
+LG Gram laptop extra features
+=============================
+
+By Matan Ziv-Av <matan@svgalib.org>
+
+
+Hotkeys
+-------
+
+The following FN keys are ignored by the kernel without this driver:
+- FN-F1 (LG control panel)   - Generates F15
+- FN-F5 (Touchpad toggle)    - Generates F13
+- FN-F6 (Airplane mode)      - Generates RFKILL
+- FN-F8 (Keyboard backlight) - Generates F16.
+  This key also changes keyboard backlight mode.
+- FN-F9 (Reader mode)        - Generates F14
+
+The rest of the FN key work without a need for a special driver.
+
+
+Reader mode
+-----------
+
+Writing 0/1 to /sys/devices/platform/lg-laptop/reader_mode disables/enables
+reader mode. In this mode the screen colors change (blue color reduced),
+and the reader mode indicator LED (on F9 key) turns on.
+
+
+FN Lock
+-------
+
+Writing 0/1 to /sys/devices/platform/lg-laptop/fn_lock disables/enables
+FN lock.
+
+
+Battery care limit
+------------------
+
+Writing 80/100 to /sys/devices/platform/lg-laptop/battery_care_limit
+sets the maximum capacity to charge the battery. Limiting the charge
+reduces battery capacity loss over time.
+
+This value is reset to 100 when the kernel boots.
+
+
+Fan mode
+--------
+
+Writing 1/0 to /sys/devices/platform/lg-laptop/fan_mode disables/enables
+the fan silent mode.
+
+
+USB charge
+----------
+
+Writing 0/1 to /sys/devices/platform/lg-laptop/usb_charge disables/enables
+charging another device from the USB port while the device is turned off.
+
+This value is reset to 0 when the kernel boots.
+
+
+LEDs
+~~~~
+
+The are two LED devices supported by the driver:
+
+Keyboard backlight
+------------------
+
+A led device named kbd_led controls the keyboard backlight. There are three
+lighting level: off (0), low (127) and high (255).
+
+The keyboard backlight is also controlled by the key combination FN-F8
+which cycles through those levels.
+
+
+Touchpad indicator LED
+----------------------
+
+On the F5 key. Controlled by led device names tpad_led.
diff --git a/MAINTAINERS b/MAINTAINERS
index 1c0f771b859e..245ba32f5364 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -376,7 +376,7 @@ F:	drivers/platform/x86/i2c-multi-instantiate.c
 ACPI PMIC DRIVERS
 M:	"Rafael J. Wysocki" <rjw@rjwysocki.net>
 M:	Len Brown <lenb@kernel.org>
-R:	Andy Shevchenko <andy@infradead.org>
+R:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 R:	Mika Westerberg <mika.westerberg@linux.intel.com>
 L:	linux-acpi@vger.kernel.org
 Q:	https://patchwork.kernel.org/project/linux-acpi/list/
@@ -4207,6 +4207,12 @@ M:	Pali Rohár <pali.rohar@gmail.com>
 S:	Maintained
 F:	drivers/platform/x86/dell-rbtn.*
 
+DELL REMOTE BIOS UPDATE DRIVER
+M:	Stuart Hayes <stuart.w.hayes@gmail.com>
+L:	platform-driver-x86@vger.kernel.org
+S:	Maintained
+F:	drivers/platform/x86/dell_rbu.c
+
 DELL LAPTOP SMM DRIVER
 M:	Pali Rohár <pali.rohar@gmail.com>
 S:	Maintained
@@ -4214,10 +4220,11 @@ F:	drivers/hwmon/dell-smm-hwmon.c
 F:	include/uapi/linux/i8k.h
 
 DELL SYSTEMS MANAGEMENT BASE DRIVER (dcdbas)
-M:	Doug Warzecha <Douglas_Warzecha@dell.com>
+M:	Stuart Hayes <stuart.w.hayes@gmail.com>
+L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
 F:	Documentation/dcdbas.txt
-F:	drivers/firmware/dcdbas.*
+F:	drivers/platform/x86/dcdbas.*
 
 DELL WMI NOTIFICATIONS DRIVER
 M:	Matthew Garrett <mjg59@srcf.ucam.org>
@@ -7347,6 +7354,12 @@ L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:	Supported
 F:	sound/soc/intel/
 
+INTEL ATOMISP2 DUMMY / POWER-MANAGEMENT DRIVER
+M:	Hans de Goede <hdegoede@redhat.com>
+L:	platform-driver-x86@vger.kernel.org
+S:	Maintained
+F:	drivers/platform/x86/intel_atomisp2_pm.c
+
 INTEL C600 SERIES SAS CONTROLLER DRIVER
 M:	Intel SCU Linux support <intel-linux-scu@intel.com>
 M:	Artur Paszkiewicz <artur.paszkiewicz@intel.com>
@@ -7533,7 +7546,6 @@ M:	Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
 M:	Vishwanath Somayaji <vishwanath.somayaji@intel.com>
 L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
-F:	arch/x86/include/asm/pmc_core.h
 F:	drivers/platform/x86/intel_pmc_core*
 
 INTEL PMC/P-Unit IPC DRIVER
@@ -7577,7 +7589,8 @@ F:	drivers/infiniband/hw/i40iw/
 F:	include/uapi/rdma/i40iw-abi.h
 
 INTEL TELEMETRY DRIVER
-M:	Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
+M:	Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
+M:	"David E. Box" <david.e.box@linux.intel.com>
 L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
 F:	arch/x86/include/asm/intel_telemetry.h
@@ -8310,6 +8323,14 @@ W:	http://legousb.sourceforge.net/
 S:	Maintained
 F:	drivers/usb/misc/legousbtower.c
 
+LG LAPTOP EXTRAS
+M:	Matan Ziv-Av <matan@svgalib.org>
+L:	platform-driver-x86@vger.kernel.org
+S:	Maintained
+F:	Documentation/ABI/testing/sysfs-platform-lg-laptop
+F:	Documentation/laptops/lg-laptop.rst
+F:	drivers/platform/x86/lg-laptop.c
+
 LG2160 MEDIA DRIVER
 M:	Michael Krufky <mkrufky@linuxtv.org>
 L:	linux-media@vger.kernel.org
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 7670e8dda829..7273e5082b41 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -145,34 +145,6 @@ config EFI_PCDP
 	  See DIG64_HCDPv20_042804.pdf available from
 	  <http://www.dig64.org/specifications/> 
 
-config DELL_RBU
-	tristate "BIOS update support for DELL systems via sysfs"
-	depends on X86
-	select FW_LOADER
-	select FW_LOADER_USER_HELPER
-	help
-	 Say m if you want to have the option of updating the BIOS for your
-	 DELL system. Note you need a Dell OpenManage or Dell Update package (DUP)
-	 supporting application to communicate with the BIOS regarding the new
-	 image for the image update to take effect.
-	 See <file:Documentation/dell_rbu.txt> for more details on the driver.
-
-config DCDBAS
-	tristate "Dell Systems Management Base Driver"
-	depends on X86
-	help
-	  The Dell Systems Management Base Driver provides a sysfs interface
-	  for systems management software to perform System Management
-	  Interrupts (SMIs) and Host Control Actions (system power cycle or
-	  power off after OS shutdown) on certain Dell systems.
-
-	  See <file:Documentation/dcdbas.txt> for more details on the driver
-	  and the Dell systems on which Dell systems management software makes
-	  use of this driver.
-
-	  Say Y or M here to enable the driver for use by Dell systems
-	  management software such as Dell OpenManage.
-
 config DMIID
     bool "Export DMI identification via sysfs to userspace"
     depends on DMI
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index 13660a951437..3158dffd9914 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -11,8 +11,6 @@ obj-$(CONFIG_DMI)		+= dmi_scan.o
 obj-$(CONFIG_DMI_SYSFS)		+= dmi-sysfs.o
 obj-$(CONFIG_EDD)		+= edd.o
 obj-$(CONFIG_EFI_PCDP)		+= pcdp.o
-obj-$(CONFIG_DELL_RBU)          += dell_rbu.o
-obj-$(CONFIG_DCDBAS)		+= dcdbas.o
 obj-$(CONFIG_DMIID)		+= dmi-id.o
 obj-$(CONFIG_ISCSI_IBFT_FIND)	+= iscsi_ibft_find.o
 obj-$(CONFIG_ISCSI_IBFT)	+= iscsi_ibft.o
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 5ed319e3b084..41e9935fc584 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -149,6 +149,7 @@ config HID_APPLEIR
 config HID_ASUS
 	tristate "Asus"
 	depends on LEDS_CLASS
+	depends on ASUS_WMI || ASUS_WMI=n
 	---help---
 	Support for Asus notebook built-in keyboard and touchpad via i2c, and
 	the Asus Republic of Gamers laptop keyboard special keys.
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index 88a5672f42cd..dc6d6477e961 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -29,6 +29,7 @@
 #include <linux/dmi.h>
 #include <linux/hid.h>
 #include <linux/module.h>
+#include <linux/platform_data/x86/asus-wmi.h>
 #include <linux/input/mt.h>
 #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
 
@@ -349,6 +350,24 @@ static void asus_kbd_backlight_work(struct work_struct *work)
 		hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
 }
 
+/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
+ * precedence. We only activate HID-based backlight control when the
+ * WMI control is not available.
+ */
+static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
+{
+	u32 value;
+	int ret;
+
+	ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2,
+				       ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
+	hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
+	if (ret)
+		return false;
+
+	return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
+}
+
 static int asus_kbd_register_leds(struct hid_device *hdev)
 {
 	struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
@@ -436,7 +455,9 @@ static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
 
 	drvdata->input = input;
 
-	if (drvdata->enable_backlight && asus_kbd_register_leds(hdev))
+	if (drvdata->enable_backlight &&
+	    !asus_kbd_wmi_led_control_present(hdev) &&
+	    asus_kbd_register_leds(hdev))
 		hid_warn(hdev, "Failed to initialize backlight.\n");
 
 	return 0;
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index bdac939de223..54f6a40c75c6 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -60,7 +60,10 @@ config ACERHDF
 
 	  After loading this driver the BIOS is still in control of the fan.
 	  To let the kernel handle the fan, do:
-	  echo -n enabled > /sys/class/thermal/thermal_zone0/mode
+	  echo -n enabled > /sys/class/thermal/thermal_zoneN/mode
+	  where N=0,1,2... depending on the number of thermal nodes and the
+	  detection order of your particular system.  The "type" parameter
+	  in the same node directory will tell you if it is "acerhdf".
 
 	  For more information about this driver see
 	  <http://piie.net/files/acerhdf_README.txt>
@@ -105,6 +108,22 @@ config ASUS_LAPTOP
 
 	  If you have an ACPI-compatible ASUS laptop, say Y or M here.
 
+config DCDBAS
+	tristate "Dell Systems Management Base Driver"
+	depends on X86
+	help
+	  The Dell Systems Management Base Driver provides a sysfs interface
+	  for systems management software to perform System Management
+	  Interrupts (SMIs) and Host Control Actions (system power cycle or
+	  power off after OS shutdown) on certain Dell systems.
+
+	  See <file:Documentation/dcdbas.txt> for more details on the driver
+	  and the Dell systems on which Dell systems management software makes
+	  use of this driver.
+
+	  Say Y or M here to enable the driver for use by Dell systems
+	  management software such as Dell OpenManage.
+
 #
 # The DELL_SMBIOS driver depends on ACPI_WMI and/or DCDBAS if those
 # backends are selected. The "depends" line prevents a configuration
@@ -227,6 +246,18 @@ config DELL_RBTN
 	  To compile this driver as a module, choose M here: the module will
 	  be called dell-rbtn.
 
+config DELL_RBU
+	tristate "BIOS update support for DELL systems via sysfs"
+	depends on X86
+	select FW_LOADER
+	select FW_LOADER_USER_HELPER
+	help
+	 Say m if you want to have the option of updating the BIOS for your
+	 DELL system. Note you need a Dell OpenManage or Dell Update package (DUP)
+	 supporting application to communicate with the BIOS regarding the new
+	 image for the image update to take effect.
+	 See <file:Documentation/dell_rbu.txt> for more details on the driver.
+
 
 config FUJITSU_LAPTOP
 	tristate "Fujitsu Laptop Extras"
@@ -336,6 +367,20 @@ config HP_WMI
 	 To compile this driver as a module, choose M here: the module will
 	 be called hp-wmi.
 
+config LG_LAPTOP
+	tristate "LG Laptop Extras"
+	depends on ACPI
+	depends on ACPI_WMI
+	depends on INPUT
+	select INPUT_SPARSEKMAP
+	select LEDS_CLASS
+	help
+	 This driver adds support for hotkeys as well as control of keyboard
+	 backlight, battery maximum charge level and various other ACPI
+	 features.
+
+	 If you have an LG Gram laptop, say Y or M here.
+
 config MSI_LAPTOP
 	tristate "MSI Laptop Extras"
 	depends on ACPI
@@ -1231,6 +1276,18 @@ config I2C_MULTI_INSTANTIATE
 	  To compile this driver as a module, choose M here: the module
 	  will be called i2c-multi-instantiate.
 
+config INTEL_ATOMISP2_PM
+	tristate "Intel AtomISP2 dummy / power-management driver"
+	depends on PCI && IOSF_MBI && PM
+	help
+	  Power-management driver for Intel's Image Signal Processor found on
+	  Bay and Cherry Trail devices. This dummy driver's sole purpose is to
+	  turn the ISP off (put it in D3) to save power and to allow entering
+	  of S0ix modes.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called intel_atomisp2_pm.
+
 endif # X86_PLATFORM_DEVICES
 
 config PMC_ATOM
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index e6d1becf81ce..39ae94135406 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -9,9 +9,11 @@ obj-$(CONFIG_ASUS_NB_WMI)	+= asus-nb-wmi.o
 obj-$(CONFIG_ASUS_WIRELESS)	+= asus-wireless.o
 obj-$(CONFIG_EEEPC_LAPTOP)	+= eeepc-laptop.o
 obj-$(CONFIG_EEEPC_WMI)		+= eeepc-wmi.o
+obj-$(CONFIG_LG_LAPTOP)		+= lg-laptop.o
 obj-$(CONFIG_MSI_LAPTOP)	+= msi-laptop.o
 obj-$(CONFIG_ACPI_CMPC)		+= classmate-laptop.o
 obj-$(CONFIG_COMPAL_LAPTOP)	+= compal-laptop.o
+obj-$(CONFIG_DCDBAS)		+= dcdbas.o
 obj-$(CONFIG_DELL_SMBIOS)	+= dell-smbios.o
 dell-smbios-objs		:= dell-smbios-base.o
 dell-smbios-$(CONFIG_DELL_SMBIOS_WMI)	+= dell-smbios-wmi.o
@@ -23,6 +25,7 @@ obj-$(CONFIG_DELL_WMI_AIO)	+= dell-wmi-aio.o
 obj-$(CONFIG_DELL_WMI_LED)	+= dell-wmi-led.o
 obj-$(CONFIG_DELL_SMO8800)	+= dell-smo8800.o
 obj-$(CONFIG_DELL_RBTN)		+= dell-rbtn.o
+obj-$(CONFIG_DELL_RBU)          += dell_rbu.o
 obj-$(CONFIG_ACER_WMI)		+= acer-wmi.o
 obj-$(CONFIG_ACER_WIRELESS)	+= acer-wireless.o
 obj-$(CONFIG_ACERHDF)		+= acerhdf.o
@@ -92,3 +95,4 @@ obj-$(CONFIG_MLX_PLATFORM)	+= mlx-platform.o
 obj-$(CONFIG_INTEL_TURBO_MAX_3) += intel_turbo_max_3.o
 obj-$(CONFIG_INTEL_CHTDC_TI_PWRBTN)	+= intel_chtdc_ti_pwrbtn.o
 obj-$(CONFIG_I2C_MULTI_INSTANTIATE)	+= i2c-multi-instantiate.o
+obj-$(CONFIG_INTEL_ATOMISP2_PM)	+= intel_atomisp2_pm.o
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index ea22591ee66f..505224225378 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -86,6 +86,7 @@ static unsigned int interval = 10;
 static unsigned int fanon = 60000;
 static unsigned int fanoff = 53000;
 static unsigned int verbose;
+static unsigned int list_supported;
 static unsigned int fanstate = ACERHDF_FAN_AUTO;
 static char force_bios[16];
 static char force_product[16];
@@ -104,10 +105,12 @@ module_param(fanoff, uint, 0600);
 MODULE_PARM_DESC(fanoff, "Turn the fan off below this temperature");
 module_param(verbose, uint, 0600);
 MODULE_PARM_DESC(verbose, "Enable verbose dmesg output");
+module_param(list_supported, uint, 0600);
+MODULE_PARM_DESC(list_supported, "List supported models and BIOS versions");
 module_param_string(force_bios, force_bios, 16, 0);
-MODULE_PARM_DESC(force_bios, "Force BIOS version and omit BIOS check");
+MODULE_PARM_DESC(force_bios, "Pretend system has this known supported BIOS version");
 module_param_string(force_product, force_product, 16, 0);
-MODULE_PARM_DESC(force_product, "Force BIOS product and omit BIOS check");
+MODULE_PARM_DESC(force_product, "Pretend system is this known supported model");
 
 /*
  * cmd_off: to switch the fan completely off and check if the fan is off
@@ -130,7 +133,7 @@ static const struct manualcmd mcmd = {
 	.moff = 0xff,
 };
 
-/* BIOS settings */
+/* BIOS settings - only used during probe */
 struct bios_settings {
 	const char *vendor;
 	const char *product;
@@ -141,8 +144,18 @@ struct bios_settings {
 	int mcmd_enable;
 };
 
+/* This could be a daughter struct in the above, but not worth the redirect */
+struct ctrl_settings {
+	u8 fanreg;
+	u8 tempreg;
+	struct fancmd cmd;
+	int mcmd_enable;
+};
+
+static struct ctrl_settings ctrl_cfg __read_mostly;
+
 /* Register addresses and values for different BIOS versions */
-static const struct bios_settings bios_tbl[] = {
+static const struct bios_settings bios_tbl[] __initconst = {
 	/* AOA110 */
 	{"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x00}, 0},
 	{"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x00}, 0},
@@ -233,6 +246,7 @@ static const struct bios_settings bios_tbl[] = {
 	{"Gateway", "LT31",   "v1.3201",  0x55, 0x58, {0x9e, 0x00}, 0},
 	{"Gateway", "LT31",   "v1.3302",  0x55, 0x58, {0x9e, 0x00}, 0},
 	{"Gateway", "LT31",   "v1.3303t", 0x55, 0x58, {0x9e, 0x00}, 0},
+	{"Gateway", "LT31",   "v1.3307",  0x55, 0x58, {0x9e, 0x00}, 0},
 	/* Packard Bell */
 	{"Packard Bell", "DOA150",  "v0.3104",  0x55, 0x58, {0x21, 0x00}, 0},
 	{"Packard Bell", "DOA150",  "v0.3105",  0x55, 0x58, {0x20, 0x00}, 0},
@@ -256,8 +270,6 @@ static const struct bios_settings bios_tbl[] = {
 	{"", "", "", 0, 0, {0, 0}, 0}
 };
 
-static const struct bios_settings *bios_cfg __read_mostly;
-
 /*
  * this struct is used to instruct thermal layer to use bang_bang instead of
  * default governor for acerhdf
@@ -270,7 +282,7 @@ static int acerhdf_get_temp(int *temp)
 {
 	u8 read_temp;
 
-	if (ec_read(bios_cfg->tempreg, &read_temp))
+	if (ec_read(ctrl_cfg.tempreg, &read_temp))
 		return -EINVAL;
 
 	*temp = read_temp * 1000;
@@ -282,10 +294,10 @@ static int acerhdf_get_fanstate(int *state)
 {
 	u8 fan;
 
-	if (ec_read(bios_cfg->fanreg, &fan))
+	if (ec_read(ctrl_cfg.fanreg, &fan))
 		return -EINVAL;
 
-	if (fan != bios_cfg->cmd.cmd_off)
+	if (fan != ctrl_cfg.cmd.cmd_off)
 		*state = ACERHDF_FAN_AUTO;
 	else
 		*state = ACERHDF_FAN_OFF;
@@ -306,13 +318,13 @@ static void acerhdf_change_fanstate(int state)
 		state = ACERHDF_FAN_AUTO;
 	}
 
-	cmd = (state == ACERHDF_FAN_OFF) ? bios_cfg->cmd.cmd_off
-					 : bios_cfg->cmd.cmd_auto;
+	cmd = (state == ACERHDF_FAN_OFF) ? ctrl_cfg.cmd.cmd_off
+					 : ctrl_cfg.cmd.cmd_auto;
 	fanstate = state;
 
-	ec_write(bios_cfg->fanreg, cmd);
+	ec_write(ctrl_cfg.fanreg, cmd);
 
-	if (bios_cfg->mcmd_enable && state == ACERHDF_FAN_OFF) {
+	if (ctrl_cfg.mcmd_enable && state == ACERHDF_FAN_OFF) {
 		if (verbose)
 			pr_notice("turning off fan manually\n");
 		ec_write(mcmd.mreg, mcmd.moff);
@@ -615,10 +627,11 @@ static int str_starts_with(const char *str, const char *start)
 }
 
 /* check hardware */
-static int acerhdf_check_hardware(void)
+static int __init acerhdf_check_hardware(void)
 {
 	char const *vendor, *version, *product;
 	const struct bios_settings *bt = NULL;
+	int found = 0;
 
 	/* get BIOS data */
 	vendor  = dmi_get_system_info(DMI_SYS_VENDOR);
@@ -632,6 +645,17 @@ static int acerhdf_check_hardware(void)
 
 	pr_info("Acer Aspire One Fan driver, v.%s\n", DRV_VER);
 
+	if (list_supported) {
+		pr_info("List of supported Manufacturer/Model/BIOS:\n");
+		pr_info("---------------------------------------------------\n");
+		for (bt = bios_tbl; bt->vendor[0]; bt++) {
+			pr_info("%-13s | %-17s | %-10s\n", bt->vendor,
+				bt->product, bt->version);
+		}
+		pr_info("---------------------------------------------------\n");
+		return -ECANCELED;
+	}
+
 	if (force_bios[0]) {
 		version = force_bios;
 		pr_info("forcing BIOS version: %s\n", version);
@@ -657,30 +681,36 @@ static int acerhdf_check_hardware(void)
 		if (str_starts_with(vendor, bt->vendor) &&
 				str_starts_with(product, bt->product) &a