feat: update kernel, add patches for backlight, etc.
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C9905BA72B5E02BB
88
kernel.nix
88
kernel.nix
@ -1,26 +1,27 @@
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{ config, lib, pkgs, ... }:
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let
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inherit (config.boot.loader) efi;
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linux_x1e_pkg = { buildLinux, ... } @ args:
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buildLinux (args // rec {
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version = "6.10.0";
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modDirVersion = "6.10.0-next-20240725";
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version = "6.12.0";
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modDirVersion = "6.12.0-rc3";
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src = pkgs.fetchFromGitLab {
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domain = "git.codelinaro.org";
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owner = "abel.vesa";
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repo = "linux";
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rev = "x1e80100-20240725"; # "x1e80100-next";
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hash = "sha256-0DFmPJEFl+cQT3Li4vuptBwavRc9CQOatd8TIYht+54=";
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src = pkgs.fetchFromGitHub {
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owner = "jhovold";
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repo = "linux";
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# wip/x1e80100-6.12-rc3
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rev = "84318c8e3038f579070e7c5d109d1d2311a5f437";
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hash = "sha256-kpuzjqcI4YGS+S9OvIUhm6z8xCGMA5h5+JlcHhoEETM=";
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};
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kernelPatches = (args.kernelPatches or [ ]);
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extraMeta.branch = "6.10";
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extraMeta.branch = "6.12";
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} // (args.argsOverride or { }));
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linux_x1e = pkgs.callPackage linux_x1e_pkg { defconfig = "x1e_defconfig"; };
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linux_x1e = pkgs.callPackage linux_x1e_pkg {
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defconfig = "johan_defconfig";
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};
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linuxPackages_x1e = pkgs.recurseIntoAttrs (pkgs.linuxPackagesFor linux_x1e);
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in {
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@ -34,42 +35,68 @@ in {
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boot = {
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kernelPackages = linuxPackages_x1e;
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kernelPatches = [
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{
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name = "backlight";
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patch = ./patches/backlight.patch;
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}
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{
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name = "bluetooth";
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patch = ./patches/bluetooth.patch;
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}
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{
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name = "disable-type-c-dp";
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patch = ./patches/disable-type-c-dp.patch;
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}
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{
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name = "vmlinuz.efi";
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patch = null;
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extraStructuredConfig = with lib.kernel; {
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EFI_ZBOOT = lib.mkForce no;
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};
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}
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{
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name = "disable-qr-code-panic-screen";
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patch = null;
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extraStructuredConfig = with lib.kernel; {
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DRM_PANIC_SCREEN_QR_CODE = lib.mkForce no;
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};
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}
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{
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name = "disable-rust";
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patch = null;
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extraStructuredConfig = with lib.kernel; {
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RUST = lib.mkForce no;
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};
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}
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];
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kernelParams = [
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"dtb=${dtbName}"
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#"initcall_debug"
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#"earlycon=efifb"
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"console=tty0"
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#"ignore_loglevel"
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#"keep_bootcon"
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"regulator_ignore_unused"
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"clk_ignore_unused"
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"pd_ignore_unused"
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"arm64.nopauth"
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#"acpi=no"
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"efi=novamap"
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#"efi=noruntime"
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"pcie_aspm.policy=powersupersave"
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"iommu.strict=0"
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"iommu.passthrough=0"
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#"earlyprintk=xdbc"
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#"usbcore.autosuspend=-1"
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"module_blacklist=edac_core,qcom_q6v5_pas"
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];
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supportedFilesystems.zfs = false;
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initrd = {
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systemd = {
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enable = true;
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tpm2.enable = false;
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};
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includeDefaultModules = false;
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availableKernelModules = [
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"nvme"
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"uas"
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"usb-storage"
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"pcie-qcom"
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"gpio-sbu-mux"
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"leds-qcom-lpg"
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@ -100,11 +127,6 @@ in {
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# fat32
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"vfat" "nls-cp437" "nls-iso8859-1"
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];
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systemd = {
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enable = true;
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enableTpm2 = false;
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};
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};
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};
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}
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51
patches/backlight.patch
Normal file
51
patches/backlight.patch
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@ -0,0 +1,51 @@
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diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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index 04d6983ca8f3..0d42b275fd66 100644
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--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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@@ -19,6 +19,14 @@ / {
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compatible = "lenovo,thinkpad-t14s", "qcom,x1e78100", "qcom,x1e80100";
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chassis-type = "laptop";
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+ backlight: backlight {
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+ compatible = "pwm-backlight";
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+ pwms = <&pmk8550_pwm 0 5000000>;
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+ enable-gpios = <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>;
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+ pinctrl-0 = <&edp_bl_en>, <&edp_bl_pwm>;
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+ pinctrl-names = "default";
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+ };
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+
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gpio-keys {
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compatible = "gpio-keys";
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@@ -744,12 +752,9 @@ &mdss_dp3 {
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aux-bus {
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panel {
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compatible = "edp-panel";
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- enable-gpios = <&pmc8380_3_gpios 4 GPIO_ACTIVE_HIGH>;
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+ backlight = <&backlight>;
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power-supply = <&vreg_edp_3p3>;
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- pinctrl-0 = <&edp_bl_en>;
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- pinctrl-names = "default";
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-
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port {
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edp_panel_in: endpoint {
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remote-endpoint = <&mdss_dp3_out>;
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@@ -849,6 +854,17 @@ rtmr0_1p15_reg_en: rtmr0-1p15-reg-en-state {
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};
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};
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+&pmk8550_pwm {
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+ status = "okay";
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+};
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+
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+&pmk8550_gpios {
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+ edp_bl_pwm: edp-bl-pwm-state {
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+ pins = "gpio5";
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+ function = "func3";
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+ };
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+};
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+
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&qupv3_0 {
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status = "okay";
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};
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48
patches/bluetooth.patch
Normal file
48
patches/bluetooth.patch
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@ -0,0 +1,48 @@
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diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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index 04d6983ca8f3..0bb3ca93cfaa 100644
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--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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@@ -19,6 +19,11 @@ / {
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compatible = "lenovo,thinkpad-t14s", "qcom,x1e78100", "qcom,x1e80100";
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chassis-type = "laptop";
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+ aliases {
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+ serial0 = &uart21;
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+ serial1 = &uart14;
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+ };
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+
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gpio-keys {
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compatible = "gpio-keys";
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@@ -1013,6 +1018,31 @@ wcd_default: wcd-reset-n-active-state {
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bias-disable;
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output-low;
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};
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+
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+ bt_en_default: bt-en-sleep {
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+ pins = "gpio116";
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+ function = "gpio";
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+ output-low;
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+ bias-disable;
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+ qcom,drive-strength = <16>;
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+ };
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+};
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+
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+&uart14 {
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+ status = "okay";
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+
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+ bluetooth: bt_wcn7850 {
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+ compatible = "qcom,wcn7850-bt";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&bt_en_default>;
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+ enable-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
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+ max-speed = <3200000>;
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+ };
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+};
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+
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+&uart21 {
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+ compatible = "qcom,geni-debug-uart";
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+ status = "okay";
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};
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&usb_1_ss0_hsphy {
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27
patches/disable-type-c-dp.patch
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27
patches/disable-type-c-dp.patch
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@ -0,0 +1,27 @@
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diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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index 04d6983ca8f3..998cb8920dbc 100644
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--- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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+++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts
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@@ -719,22 +719,6 @@ &mdss {
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status = "okay";
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};
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-&mdss_dp0 {
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- status = "okay";
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-};
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-
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-&mdss_dp0_out {
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- data-lanes = <0 1 2 3>;
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-};
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-
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-&mdss_dp1 {
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- status = "okay";
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-};
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-
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-&mdss_dp1_out {
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- data-lanes = <0 1 2 3>;
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-};
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-
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&mdss_dp3 {
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compatible = "qcom,x1e80100-dp";
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/delete-property/ #sound-dai-cells;
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@ -5,7 +5,7 @@ efi_part_label=i_t14sg6_efi
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nix_part_label=i_t14sg6_nix
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boot_size=256M
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fallocate -l4G ${file}
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fallocate -l14G ${file}
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parted ${file} mklabel gpt
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parted ${file} mkpart ${efi_part_label} fat32 0% ${boot_size}
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@ -23,7 +23,7 @@ mkdir /mnt/boot
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mount ${drive}p1 /mnt/boot
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mkdir -p /mnt/etc/nixos
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cp -r pkgs *.nix /mnt/etc/nixos/
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cp -r patches pkgs *.nix /mnt/etc/nixos/
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nixos-install --root /mnt --no-root-password
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umount -R /mnt
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