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The Halo Box features an RGB LED light bar that can be controlled through WMI methods to display any color combination. The driver exposes the LED through the LED multicolor subsystem, allowing userspace to control RGB values via sysfs: /sys/class/leds/amd_halo:multicolor:status/multi_intensity /sys/class/leds/amd_halo:multicolor:status/brightness Hardware interface: - Three separate RGB channels (Red, Green, Blue) - All 3 channels are configured at once with a single WMI method call - Value range: 0-100 (matching hardware range directly) Co-developed-by: Mario Limonciello (AMD) <superm1@kernel.org> Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org> Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Yo-Jung Leo Lin (AMD) <Leo.Lin@amd.com> Link: https://patch.msgid.link/20260709-halo-leds-v2-plus-v8-1-b34c64277193@amd.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
16 lines
447 B
Makefile
16 lines
447 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for drivers/platform/x86/amd
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# AMD x86 Platform-Specific Drivers
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#
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obj-$(CONFIG_AMD_3D_VCACHE) += amd_3d_vcache.o
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amd_3d_vcache-y := x3d_vcache.o
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obj-$(CONFIG_AMD_PMC) += pmc/
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obj-$(CONFIG_AMD_HSMP) += hsmp/
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obj-$(CONFIG_AMD_PMF) += pmf/
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obj-$(CONFIG_AMD_WBRF) += wbrf.o
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obj-$(CONFIG_AMD_HALO_LED) += amd_halo_led.o
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obj-$(CONFIG_AMD_ISP_PLATFORM) += amd_isp4.o
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obj-$(CONFIG_AMD_HFI) += hfi/
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