Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c
index df38616..8d65004 100644
--- a/sound/soc/sof/intel/hda-codec.c
+++ b/sound/soc/sof/intel/hda-codec.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
 //
 // This file is provided under a dual BSD/GPLv2 license.  When using or
 // redistributing this file, you may do so under either license.
@@ -24,19 +24,44 @@
 #define IDISP_VID_INTEL	0x80860000
 
 /* load the legacy HDA codec driver */
-static int hda_codec_load_module(struct hda_codec *codec)
+static int request_codec_module(struct hda_codec *codec)
 {
 #ifdef MODULE
 	char alias[MODULE_NAME_LEN];
-	const char *module = alias;
+	const char *mod = NULL;
 
-	snd_hdac_codec_modalias(&codec->core, alias, sizeof(alias));
-	dev_dbg(&codec->core.dev, "loading codec module: %s\n", module);
-	request_module(module);
+	switch (codec->probe_id) {
+	case HDA_CODEC_ID_GENERIC:
+#if IS_MODULE(CONFIG_SND_HDA_GENERIC)
+		mod = "snd-hda-codec-generic";
 #endif
+		break;
+	default:
+		snd_hdac_codec_modalias(&codec->core, alias, sizeof(alias));
+		mod = alias;
+		break;
+	}
+
+	if (mod) {
+		dev_dbg(&codec->core.dev, "loading codec module: %s\n", mod);
+		request_module(mod);
+	}
+#endif /* MODULE */
 	return device_attach(hda_codec_dev(codec));
 }
 
+static int hda_codec_load_module(struct hda_codec *codec)
+{
+	int ret = request_codec_module(codec);
+
+	if (ret <= 0) {
+		codec->probe_id = HDA_CODEC_ID_GENERIC;
+		ret = request_codec_module(codec);
+	}
+
+	return ret;
+}
+
 /* enable controller wake up event for all codecs with jack connectors */
 void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev)
 {
@@ -74,14 +99,24 @@
 void hda_codec_jack_wake_enable(struct snd_sof_dev *sdev) {}
 void hda_codec_jack_check(struct snd_sof_dev *sdev) {}
 #endif /* CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC */
-EXPORT_SYMBOL(hda_codec_jack_wake_enable);
-EXPORT_SYMBOL(hda_codec_jack_check);
+EXPORT_SYMBOL_NS(hda_codec_jack_wake_enable, SND_SOC_SOF_HDA_AUDIO_CODEC);
+EXPORT_SYMBOL_NS(hda_codec_jack_check, SND_SOC_SOF_HDA_AUDIO_CODEC);
+
+#if IS_ENABLED(CONFIG_SND_HDA_GENERIC)
+#define is_generic_config(bus) \
+	((bus)->modelname && !strcmp((bus)->modelname, "generic"))
+#else
+#define is_generic_config(x)	0
+#endif
 
 /* probe individual codec */
-static int hda_codec_probe(struct snd_sof_dev *sdev, int address)
+static int hda_codec_probe(struct snd_sof_dev *sdev, int address,
+			   bool hda_codec_use_common_hdmi)
 {
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
 	struct hdac_hda_priv *hda_priv;
+	struct hda_codec *codec;
+	int type = HDA_DEV_LEGACY;
 #endif
 	struct hda_bus *hbus = sof_to_hbus(sdev);
 	struct hdac_device *hdev;
@@ -106,15 +141,33 @@
 
 	hda_priv->codec.bus = hbus;
 	hdev = &hda_priv->codec.core;
+	codec = &hda_priv->codec;
 
-	ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev);
+	/* only probe ASoC codec drivers for HDAC-HDMI */
+	if (!hda_codec_use_common_hdmi && (resp & 0xFFFF0000) == IDISP_VID_INTEL)
+		type = HDA_DEV_ASOC;
+
+	ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev, type);
 	if (ret < 0)
 		return ret;
 
-	/* use legacy bus only for HDA codecs, idisp uses ext bus */
-	if ((resp & 0xFFFF0000) != IDISP_VID_INTEL) {
-		hdev->type = HDA_DEV_LEGACY;
-		ret = hda_codec_load_module(&hda_priv->codec);
+	if ((resp & 0xFFFF0000) == IDISP_VID_INTEL) {
+		if (!hdev->bus->audio_component) {
+			dev_dbg(sdev->dev,
+				"iDisp hw present but no driver\n");
+			ret = -ENOENT;
+			goto out;
+		}
+		hda_priv->need_display_power = true;
+	}
+
+	if (is_generic_config(hbus))
+		codec->probe_id = HDA_CODEC_ID_GENERIC;
+	else
+		codec->probe_id = 0;
+
+	if (type == HDA_DEV_LEGACY) {
+		ret = hda_codec_load_module(codec);
 		/*
 		 * handle ret==0 (no driver bound) as an error, but pass
 		 * other return codes without modification
@@ -123,20 +176,25 @@
 			ret = -ENOENT;
 	}
 
-	return ret;
+out:
+	if (ret < 0) {
+		snd_hdac_device_unregister(hdev);
+		put_device(&hdev->dev);
+	}
 #else
 	hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL);
 	if (!hdev)
 		return -ENOMEM;
 
-	ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev);
+	ret = snd_hdac_ext_bus_device_init(&hbus->core, address, hdev, HDA_DEV_ASOC);
+#endif
 
 	return ret;
-#endif
 }
 
 /* Codec initialization */
-int hda_codec_probe_bus(struct snd_sof_dev *sdev)
+void hda_codec_probe_bus(struct snd_sof_dev *sdev,
+			 bool hda_codec_use_common_hdmi)
 {
 	struct hdac_bus *bus = sof_to_bus(sdev);
 	int i, ret;
@@ -147,37 +205,29 @@
 		if (!(bus->codec_mask & (1 << i)))
 			continue;
 
-		ret = hda_codec_probe(sdev, i);
+		ret = hda_codec_probe(sdev, i, hda_codec_use_common_hdmi);
 		if (ret < 0) {
-			dev_err(bus->dev, "error: codec #%d probe error, ret: %d\n",
-				i, ret);
-			return ret;
+			dev_warn(bus->dev, "codec #%d probe error, ret: %d\n",
+				 i, ret);
+			bus->codec_mask &= ~BIT(i);
 		}
 	}
-
-	return 0;
 }
-EXPORT_SYMBOL(hda_codec_probe_bus);
+EXPORT_SYMBOL_NS(hda_codec_probe_bus, SND_SOC_SOF_HDA_AUDIO_CODEC);
 
-#if IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)
+#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI) || \
+	IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)
 
-void hda_codec_i915_get(struct snd_sof_dev *sdev)
+void hda_codec_i915_display_power(struct snd_sof_dev *sdev, bool enable)
 {
 	struct hdac_bus *bus = sof_to_bus(sdev);
 
-	dev_dbg(bus->dev, "Turning i915 HDAC power on\n");
-	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true);
+	if (HDA_IDISP_CODEC(bus->codec_mask)) {
+		dev_dbg(bus->dev, "Turning i915 HDAC power %d\n", enable);
+		snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, enable);
+	}
 }
-EXPORT_SYMBOL(hda_codec_i915_get);
-
-void hda_codec_i915_put(struct snd_sof_dev *sdev)
-{
-	struct hdac_bus *bus = sof_to_bus(sdev);
-
-	dev_dbg(bus->dev, "Turning i915 HDAC power off\n");
-	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false);
-}
-EXPORT_SYMBOL(hda_codec_i915_put);
+EXPORT_SYMBOL_NS(hda_codec_i915_display_power, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
 int hda_codec_i915_init(struct snd_sof_dev *sdev)
 {
@@ -189,25 +239,27 @@
 	if (ret < 0)
 		return ret;
 
-	hda_codec_i915_get(sdev);
+	/* codec_mask not yet known, power up for probe */
+	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true);
 
 	return 0;
 }
-EXPORT_SYMBOL(hda_codec_i915_init);
+EXPORT_SYMBOL_NS(hda_codec_i915_init, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
 int hda_codec_i915_exit(struct snd_sof_dev *sdev)
 {
 	struct hdac_bus *bus = sof_to_bus(sdev);
-	int ret;
 
-	hda_codec_i915_put(sdev);
+	if (!bus->audio_component)
+		return 0;
 
-	ret = snd_hdac_i915_exit(bus);
+	/* power down unconditionally */
+	snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false);
 
-	return ret;
+	return snd_hdac_i915_exit(bus);
 }
-EXPORT_SYMBOL(hda_codec_i915_exit);
+EXPORT_SYMBOL_NS(hda_codec_i915_exit, SND_SOC_SOF_HDA_AUDIO_CODEC_I915);
 
-#endif /* CONFIG_SND_SOC_HDAC_HDMI */
+#endif
 
 MODULE_LICENSE("Dual BSD/GPL");