linux-kernel - [PATCH] ALSA: hda: intel-dsp-config: Select SOF driver on MTL Chromebooks

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Message-ID: <20250821014730.8843-1-bradynorander@gmail.com>
Date: Wed, 20 Aug 2025 21:47:30 -0400
From: Brady Norander <bradynorander@...il.com>
To: alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Cc: Mark Brown <broonie@...nel.org>,
	Cezary Rojewski <cezary.rojewski@...el.com>,
	amadeuszx.slawinski@...ux.intel.com,
	tiwai@...e.de,
	Bard Liao <yung-chuan.liao@...ux.intel.com>,
	pierre-louis.bossart@...ux.intel.com,
	Brady Norander <bradynorander@...il.com>
Subject: [PATCH] ALSA: hda: intel-dsp-config: Select SOF driver on MTL Chromebooks

The SOF driver is required for functional audio on MTL Chromebooks

Signed-off-by: Brady Norander <bradynorander@...il.com>
---
 sound/hda/core/intel-dsp-config.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/sound/hda/core/intel-dsp-config.c b/sound/hda/core/intel-dsp-config.c
index 3cb1e7fc3b3b..00f184917623 100644
--- a/sound/hda/core/intel-dsp-config.c
+++ b/sound/hda/core/intel-dsp-config.c
@@ -167,9 +167,9 @@ static const struct config_entry config_table[] = {
 
 /*
  * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake, AlderLake,
- * RaptorLake use legacy HDAudio driver except for Google Chromebooks
- * and when DMICs are present. Two cases are required since Coreboot
- * does not expose NHLT tables.
+ * RaptorLake, MeteorLake use legacy HDAudio driver except for Google
+ * Chromebooks and when DMICs are present. Two cases are required since
+ * Coreboot does not expose NHLT tables.
  *
  * When the Chromebook quirk is not present, it's based on information
  * that no such device exists. When the quirk is present, it could be
@@ -516,6 +516,19 @@ static const struct config_entry config_table[] = {
 /* Meteor Lake */
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE)
 	/* Meteorlake-P */
+	{
+		.flags = FLAG_SOF,
+		.device = PCI_DEVICE_ID_INTEL_HDA_MTL,
+		.dmi_table = (const struct dmi_system_id []) {
+			{
+				.ident = "Google Chromebooks",
+				.matches = {
+					DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+				}
+			},
+			{}
+		}
+	},
 	{
 		.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
 		.device = PCI_DEVICE_ID_INTEL_HDA_MTL,
-- 
2.50.1