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Logger 2025-11-07 08:29:58 -05:00 committed by GitHub
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61
lenovo/legion/16irx8h/default.nix
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@ -19,21 +19,78 @@
config.boot.kernelPackages.nvidia_x11
];
# Comprehensive audio fixes for Legion Pro 7 16IRX8H
# This model has both Realtek ALC287 and TAS2781 audio components
# The TAS2781 I2C codec binds to the HDA subsystem and requires special handling
boot.kernelParams = [
# Audio configuration
"snd_hda_intel.enable_msi=1"
# Legion-specific audio model (required until kernel quirk is upstreamed)
"snd_hda_intel.model=lenovo-legion-7i"
# TAS2781 calibration reset to handle CRC errors in factory calibration data
# This is a known issue on Legion laptops where the TAS2781 firmware has corrupted
# calibration values; resetting allows the codec to initialize with defaults
"snd_soc_tas2781.reset_calib=1"
# More aggressive TAS2781 fixes for Legion
"snd_soc_tas2781.tas2781_dev_id=0x6a"
"snd_hda_intel.single_cmd=1"
# Hardware fixes
"tsc=reliable" # Fix TSC ADJUST firmware bugs common on Legion laptops
# ACPI thermal management fixes for Legion BIOS issues
"acpi.debug_layer=0x2"
"acpi.debug_level=0x2"
"processor.ignore_ppc=1"
];
# Additional audio configuration for Legion Pro 7
boot.extraModprobeConfig = ''
# Force specific Legion audio model for proper speaker routing
options snd-hda-intel model=lenovo-legion-7i single_cmd=1 probe_mask=1
# TAS2781 specific options
options snd-soc-tas2781-comlib reset_calib=1
options snd-hda-scodec-tas2781-i2c reset_calib=1
'';
# Hardware firmware support for Legion audio
hardware.enableRedistributableFirmware = lib.mkDefault true;
# Enable Bluetooth modules
boot.kernelModules = [
"bluetooth"
"btusb"
];
hardware = {
nvidia = {
modesetting.enable = lib.mkDefault true;
powerManagement.enable = lib.mkDefault true;
#
prime = {
intelBusId = "PCI:00:02:0";
nvidiaBusId = "PCI:01:00:0";
};
};
# Enable Bluetooth with Legion-optimized settings
bluetooth = {
enable = lib.mkDefault true;
powerOnBoot = lib.mkDefault false; # Save battery
settings = {
General = {
ControllerMode = "dual";
FastConnectable = "true";
Experimental = "true"; # Enable LE Audio features
KernelExperimental = "true"; # Enable ISO socket support
};
};
};
};
# Cooling management
# Cooling management for Legion laptops
services.thermald.enable = lib.mkDefault true;
# Audio group permissions
users.groups.audio = { };
# √(2560² + 1600²) px / 16 in ≃ 189 dpi
services.xserver.dpi = 189;
}