From 06f35fd289a06c5d142d65466820ff132e838365 Mon Sep 17 00:00:00 2001
From: codefiles <11915375+codefiles@users.noreply.github.com>
Date: Fri, 12 May 2023 08:01:24 -0400
Subject: Install the package `alsa-firmware` if required (#1812)

---
 archinstall/lib/hardware.py          | 34 +++++++++++++++++++---------------
 archinstall/scripts/guided.py        |  5 ++++-
 examples/interactive_installation.py |  5 ++++-
 3 files changed, 27 insertions(+), 17 deletions(-)

diff --git a/archinstall/lib/hardware.py b/archinstall/lib/hardware.py
index 8d0fb74f..220d3d37 100644
--- a/archinstall/lib/hardware.py
+++ b/archinstall/lib/hardware.py
@@ -86,6 +86,21 @@ class _SysInfo:
 	def mem_info_by_key(self, key: str) -> int:
 		return self.mem_info[key]
 
+	@cached_property
+	def loaded_modules(self) -> List[str]:
+		"""
+		Returns loaded kernel modules
+		"""
+		modules_path = Path('/proc/modules')
+		modules: List[str] = []
+
+		with modules_path.open() as file:
+			for line in file:
+				module = line.split(maxsplit=1)[0]
+				modules.append(module)
+
+		return modules
+
 
 _sys_info = _SysInfo()
 
@@ -171,20 +186,9 @@ class SysInfo:
 		return False
 
 	@staticmethod
-	def _loaded_modules() -> List[str]:
-		"""
-		Returns loaded kernel modules
-		"""
-		modules_path = Path('/proc/modules')
-		modules: List[str] = []
-
-		with modules_path.open() as file:
-			for line in file:
-				module = line.split(maxsplit=1)[0]
-				modules.append(module)
-
-		return modules
+	def requires_sof_fw() -> bool:
+		return 'snd_sof' in _sys_info.loaded_modules
 
 	@staticmethod
-	def requires_sof() -> bool:
-		return 'snd_sof' in SysInfo._loaded_modules()
+	def requires_alsa_fw() -> bool:
+		return 'snd_emu10k1' in _sys_info.loaded_modules
diff --git a/archinstall/scripts/guided.py b/archinstall/scripts/guided.py
index 9cb4ec2a..1e19c9a3 100644
--- a/archinstall/scripts/guided.py
+++ b/archinstall/scripts/guided.py
@@ -183,8 +183,11 @@ def perform_installation(mountpoint: Path):
 			elif audio == 'pulseaudio':
 				installation.add_additional_packages("pulseaudio")
 
-			if SysInfo.requires_sof():
+			if SysInfo.requires_sof_fw():
 				installation.add_additional_packages('sof-firmware')
+
+			if SysInfo.requires_alsa_fw():
+				installation.add_additional_packages('alsa-firmware')
 		else:
 			info("No audio server will be installed")
 
diff --git a/examples/interactive_installation.py b/examples/interactive_installation.py
index 5738a9cc..487db4dd 100644
--- a/examples/interactive_installation.py
+++ b/examples/interactive_installation.py
@@ -162,8 +162,11 @@ def perform_installation(mountpoint: Path):
 			elif audio == 'pulseaudio':
 				installation.add_additional_packages("pulseaudio")
 
-			if SysInfo.requires_sof():
+			if SysInfo.requires_sof_fw():
 				installation.add_additional_packages('sof-firmware')
+
+			if SysInfo.requires_alsa_fw():
+				installation.add_additional_packages('alsa-firmware')
 		else:
 			info("No audio server will be installed.")
 
-- 
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