From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Wed, 20 Jan 2016 14:01:31 -0300
Subject: Linux-libre 4.4-gnu

---
 sound/pci/hda/hda_bind.c | 69 ++++++++++++++++++++++++++++++------------------
 1 file changed, 43 insertions(+), 26 deletions(-)

(limited to 'sound/pci/hda/hda_bind.c')

diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index d5ac25cc7..70671ad65 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -15,21 +15,22 @@
 #include "hda_local.h"
 
 /*
- * find a matching codec preset
+ * find a matching codec id
  */
 static int hda_codec_match(struct hdac_device *dev, struct hdac_driver *drv)
 {
 	struct hda_codec *codec = container_of(dev, struct hda_codec, core);
 	struct hda_codec_driver *driver =
 		container_of(drv, struct hda_codec_driver, core);
-	const struct hda_codec_preset *preset;
+	const struct hda_device_id *list;
 	/* check probe_id instead of vendor_id if set */
 	u32 id = codec->probe_id ? codec->probe_id : codec->core.vendor_id;
+	u32 rev_id = codec->core.revision_id;
 
-	for (preset = driver->preset; preset->id; preset++) {
-		if (preset->id == id &&
-		    (!preset->rev || preset->rev == codec->core.revision_id)) {
-			codec->preset = preset;
+	for (list = driver->id; list->vendor_id; list++) {
+		if (list->vendor_id == id &&
+		    (!list->rev_id || list->rev_id == rev_id)) {
+			codec->preset = list;
 			return 1;
 		}
 	}
@@ -45,26 +46,45 @@ static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev)
 		codec->patch_ops.unsol_event(codec, ev);
 }
 
-/* reset the codec name from the preset */
-static int codec_refresh_name(struct hda_codec *codec, const char *name)
+/**
+ * snd_hda_codec_set_name - set the codec name
+ * @codec: the HDA codec
+ * @name: name string to set
+ */
+int snd_hda_codec_set_name(struct hda_codec *codec, const char *name)
 {
-	if (name) {
-		kfree(codec->core.chip_name);
-		codec->core.chip_name = kstrdup(name, GFP_KERNEL);
+	int err;
+
+	if (!name)
+		return 0;
+	err = snd_hdac_device_set_chip_name(&codec->core, name);
+	if (err < 0)
+		return err;
+
+	/* update the mixer name */
+	if (!*codec->card->mixername ||
+	    codec->bus->mixer_assigned >= codec->core.addr) {
+		snprintf(codec->card->mixername,
+			 sizeof(codec->card->mixername), "%s %s",
+			 codec->core.vendor_name, codec->core.chip_name);
+		codec->bus->mixer_assigned = codec->core.addr;
 	}
-	return codec->core.chip_name ? 0 : -ENOMEM;
+
+	return 0;
 }
+EXPORT_SYMBOL_GPL(snd_hda_codec_set_name);
 
 static int hda_codec_driver_probe(struct device *dev)
 {
 	struct hda_codec *codec = dev_to_hda_codec(dev);
 	struct module *owner = dev->driver->owner;
+	hda_codec_patch_t patch;
 	int err;
 
 	if (WARN_ON(!codec->preset))
 		return -EINVAL;
 
-	err = codec_refresh_name(codec, codec->preset->name);
+	err = snd_hda_codec_set_name(codec, codec->preset->name);
 	if (err < 0)
 		goto error;
 	err = snd_hdac_regmap_init(&codec->core);
@@ -76,9 +96,12 @@ static int hda_codec_driver_probe(struct device *dev)
 		goto error;
 	}
 
-	err = codec->preset->patch(codec);
-	if (err < 0)
-		goto error_module;
+	patch = (hda_codec_patch_t)codec->preset->driver_data;
+	if (patch) {
+		err = patch(codec);
+		if (err < 0)
+			goto error_module;
+	}
 
 	err = snd_hda_codec_build_pcms(codec);
 	if (err < 0)
@@ -155,11 +178,10 @@ static inline bool codec_probed(struct hda_codec *codec)
 static void codec_bind_module(struct hda_codec *codec)
 {
 #ifdef MODULE
-	request_module("snd-hda-codec-id:%08x", codec->core.vendor_id);
-	if (codec_probed(codec))
-		return;
-	request_module("snd-hda-codec-id:%04x*",
-		       (codec->core.vendor_id >> 16) & 0xffff);
+	char modalias[32];
+
+	snd_hdac_codec_modalias(&codec->core, modalias, sizeof(modalias));
+	request_module(modalias);
 	if (codec_probed(codec))
 		return;
 #endif
@@ -251,11 +273,6 @@ int snd_hda_codec_configure(struct hda_codec *codec)
 		}
 	}
 
-	/* audio codec should override the mixer name */
-	if (codec->core.afg || !*codec->card->mixername)
-		snprintf(codec->card->mixername,
-			 sizeof(codec->card->mixername), "%s %s",
-			 codec->core.vendor_name, codec->core.chip_name);
 	return 0;
 
  error:
-- 
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