Am 27.12.24 um 05:59 schrieb Kurt Borja:
On Fri, Dec 27, 2024 at 05:08:03AM +0100, Armin Wolf wrote:
Am 21.12.24 um 06:59 schrieb Kurt Borja:
Add config entries for each WMI driver managed by the alienware-wmi
module to be able to conditionally compile them.
Signed-off-by: Kurt Borja <kuurtb@xxxxxxxxx>
---
drivers/platform/x86/dell/Kconfig | 30 +++++++++++++++++++----
drivers/platform/x86/dell/Makefile | 4 +--
drivers/platform/x86/dell/alienware-wmi.h | 23 +++++++++++++++++
3 files changed, 50 insertions(+), 7 deletions(-)
diff --git a/drivers/platform/x86/dell/Kconfig b/drivers/platform/x86/dell/Kconfig
index d09060aedd3f..f8a0dffcaab7 100644
--- a/drivers/platform/x86/dell/Kconfig
+++ b/drivers/platform/x86/dell/Kconfig
@@ -18,15 +18,35 @@ config ALIENWARE_WMI
tristate "Alienware Special feature control"
default m
depends on ACPI
+ depends on ACPI_WMI
+ depends on DMI
depends on LEDS_CLASS
depends on NEW_LEDS
- depends on ACPI_WMI
+ help
+ This is a driver for controlling Alienware WMI driven features.
+
+ On legacy devices, it exposes an interface for controlling the AlienFX
+ zones on Alienware machines that don't contain a dedicated
+ AlienFX USB MCU such as the X51 and X51-R2.
+
+ On newer devices, it exposes the AWCC thermal control interface through
+ known Kernel APIs.
+
+config ALIENWARE_WMI_LEGACY
+ bool "Alienware Legacy WMI device driver"
+ default y
+ depends on ALIENWARE_WMI
+ help
+ Legacy Alienware WMI driver with AlienFX LED control capabilities.
+
+config ALIENWARE_WMI_WMAX
+ bool "Alienware WMAX WMI device driver"
+ default y
+ depends on ALIENWARE_WMI
select ACPI_PLATFORM_PROFILE
help
- This is a driver for controlling Alienware BIOS driven
- features. It exposes an interface for controlling the AlienFX
- zones on Alienware machines that don't contain a dedicated AlienFX
- USB MCU such as the X51 and X51-R2.
+ Alienware WMI driver with AlienFX LED, HDMI, amplifier, deep sleep and
+ AWCC thermal control capabilities.
config DCDBAS
tristate "Dell Systems Management Base Driver"
diff --git a/drivers/platform/x86/dell/Makefile b/drivers/platform/x86/dell/Makefile
index d5718ef34c48..8ac9a933c770 100644
--- a/drivers/platform/x86/dell/Makefile
+++ b/drivers/platform/x86/dell/Makefile
@@ -6,8 +6,8 @@
obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o
alienware-wmi-objs := alienware-wmi-base.o
-alienware-wmi-y += alienware-wmi-legacy.o
-alienware-wmi-y += alienware-wmi-wmax.o
+alienware-wmi-$(CONFIG_ALIENWARE_WMI_LEGACY) += alienware-wmi-legacy.o
+alienware-wmi-$(CONFIG_ALIENWARE_WMI_WMAX) += alienware-wmi-wmax.o
obj-$(CONFIG_DCDBAS) += dcdbas.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_DELL_RBTN) += dell-rbtn.o
diff --git a/drivers/platform/x86/dell/alienware-wmi.h b/drivers/platform/x86/dell/alienware-wmi.h
index 78ac10122155..97b52e51cd7d 100644
--- a/drivers/platform/x86/dell/alienware-wmi.h
+++ b/drivers/platform/x86/dell/alienware-wmi.h
@@ -94,10 +94,33 @@ acpi_status alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
int alienware_alienfx_setup(struct alienfx_platdata *pdata);
void alienware_alienfx_exit(struct wmi_device *wdev);
+#if IS_ENABLED(CONFIG_ALIENWARE_WMI_LEGACY)
int __init alienware_legacy_wmi_init(void);
void __exit alienware_legacy_wmi_exit(void);
+#else
+int __init alienware_legacy_wmi_init(void)
+{
+ return 0;
Please return -EOPNOTSUPP here.
Maybe -ENODEV is better in this case?
Also this should be static inline, I'll fix it.
-ENODEV is also OK.
Thanks,
Armin Wolf
+}
+
+void __exit alienware_legacy_wmi_exit(void)
+{
+}
+#endif
+#if IS_ENABLED(CONFIG_ALIENWARE_WMI_WMAX)
int __init alienware_wmax_wmi_init(void);
void __exit alienware_wmax_wmi_exit(void);
+#else
+int __init alienware_wmax_wmi_init(void)
+{
+ return 0;
Same as above.
Thanks,
Armin Wolf
+}
+
+
+void __exit alienware_wmax_wmi_exit(void)
+{
+}
+#endif
#endif
