From 52c24c85c8769f552455b4ac73e434eb6e5437ad Mon Sep 17 00:00:00 2001
From: Daniel Langbein <daniel@systemli.org>
Date: Wed, 7 Feb 2024 13:33:57 +0100
Subject: [PATCH] add host yodaGaming

---
 NixOS.md                           | 69 ++++++++++++++++++++++++++++++
 hosts/yodaGaming/configuration.nix |  3 +-
 2 files changed, 70 insertions(+), 2 deletions(-)

diff --git a/NixOS.md b/NixOS.md
index 7750bb4..a4a9d13 100644
--- a/NixOS.md
+++ b/NixOS.md
@@ -26,6 +26,7 @@ This document contains general notes about NixOS that are independent of my NixO
   * [Evaluate expressions](#evaluate-expressions)
   * [Escape strings](#escape-strings)
   * [Run AppImages](#run-appimages)
+  * [Audio troubleshooting - Realtek ALC898 Audio Codec on ASRock Z77 Extreme 4](#audio-troubleshooting---realtek-alc898-audio-codec-on-asrock-z77-extreme-4)
   * [Graphic drivers](#graphic-drivers)
   * [Additional resources](#additional-resources)
     * [Nix Pills](#nix-pills)
@@ -669,6 +670,74 @@ nix-shell -p appimage-run
 appimage-run ~/Downloads/ubports-installer_0.10.0_linux_x86_64.AppImage
 ```
 
+## Audio troubleshooting - Realtek ALC898 Audio Codec on ASRock Z77 Extreme 4
+
+TODO: I couldn't get the onboard audio to work.
+
+- https://discourse.nixos.org/t/fixing-audio-on-asus-strix-scar-17-g733qs/12687
+- https://bbs.archlinux.org/viewtopic.php?id=147242
+- https://en.opensuse.org/SDB:Audio_troubleshooting#Script_to_run_to_obtain_detailed_information
+- https://nixos.wiki/wiki/ALSA#Other_hardware_specific_problems
+- https://bbs.archlinux.org/viewtopic.php?pid=1452128#p1452128
+
+`aplay -L`
+```console
+null
+    Discard all samples (playback) or generate zero samples (capture)
+pipewire
+    PipeWire Sound Server
+default
+    Default ALSA Output (currently PipeWire Media Server)
+hdmi:CARD=HDMI,DEV=0
+    HDA ATI HDMI, HDMI 0 *
+    HDMI Audio Output
+hdmi:CARD=HDMI,DEV=1
+    HDA ATI HDMI, HDMI 1
+    HDMI Audio Output
+hdmi:CARD=HDMI,DEV=2
+    HDA ATI HDMI, HDMI 2
+    HDMI Audio Output
+hdmi:CARD=HDMI,DEV=3
+    HDA ATI HDMI, HDMI 3
+    HDMI Audio Output
+hdmi:CARD=HDMI,DEV=4
+    HDA ATI HDMI, HDMI 4
+    HDMI Audio Output
+hdmi:CARD=HDMI,DEV=5
+    HDA ATI HDMI, HDMI 5
+    HDMI Audio Output
+```
+
+`cat /proc/asound/cards`
+```console
+ 0 [HDMI           ]: HDA-Intel - HDA ATI HDMI
+                      HDA ATI HDMI at 0xf7b60000 irq 40
+```
+
+`lspci -vnn | grep -A1 -i audio`
+```console
+00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
+        Subsystem: ASRock Incorporation Z77 Extreme4 motherboard [1849:1898]
+--
+01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti HDMI Audio [Radeon HD 7870 XT / 7950/7970] [1002:aaa0]
+        Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Tahiti HDMI Audio [Radeon HD 7870 XT / 7950/7970] [1002:aaa0]
+        Flags: bus master, fast devsel, latency 0, IRQ 40
+```
+
+`sudo lspci -vnn`
+```console
+00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
+        Subsystem: ASRock Incorporation Z77 Extreme4 motherboard [1849:1898]
+        Flags: fast devsel, IRQ 22
+        Memory at f7c10000 (64-bit, non-prefetchable) [size=16K]
+        Capabilities: [50] Power Management version 2
+        Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+
+        Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
+        Capabilities: [100] Virtual Channel
+        Capabilities: [130] Root Complex Link
+        Kernel modules: snd_hda_intel
+```
+
 ## Graphic drivers
 
 Usually most of this should work out of the box on NixOS.
diff --git a/hosts/yodaGaming/configuration.nix b/hosts/yodaGaming/configuration.nix
index 20181b0..e4e500f 100644
--- a/hosts/yodaGaming/configuration.nix
+++ b/hosts/yodaGaming/configuration.nix
@@ -9,7 +9,7 @@
       ../../modules/base-bios.nix
       ../../modules/power-management.nix
       ../../modules/ntfs.nix
-      ../../modules/ssh-fde-unlock.nix
+      #../../modules/ssh-fde-unlock.nix
       ../../modules/zsh.nix
       ../../modules/nitrokey-gpg-smartcard.nix
       ../../modules/ssh-client.nix
@@ -56,7 +56,6 @@
   boot.blacklistedKernelModules = [ "i915" ];
   boot.kernelParams = [ "i915.modeset=0" "radeon.si_support=0" "amdgpu.si_support=1" ];
 
-
   # List all available kernel versions:
   #   `nix repl` -> `:l <nixpkgs>` -> `pkgs.linuxPackages` and press `TAB`
   # Default.