[alsa-devel] [PATCH 1/1] ALC889A chip identification

Takashi Iwai tiwai at suse.de
Fri May 15 17:23:05 CEST 2009


At Fri, 15 May 2009 07:50:46 +0200,
I wrote:
> 
> BTW, regarding the strings: basically we can do a better clean-up by
> using already existing strings.  For example, make new fields,
> hda_codec.vendor_name and hda_codec.chip_name, which points the vendor
> id string in hda_codec.c and the chip name string in
> snd_hda_codec_preset struct respectively.  Then all PCM name strings
> can be created automatically.

The patch is something like below.  It's just compile tested.


Takashi

---
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index b91f6ed..77385de 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -623,7 +623,10 @@ static int get_codec_name(struct hda_codec *codec)
 	const struct hda_vendor_id *c;
 	const char *vendor = NULL;
 	u16 vendor_id = codec->vendor_id >> 16;
-	char tmp[16], name[32];
+	char tmp[16];
+
+	if (codec->vendor_name)
+		goto get_chip_name;
 
 	for (c = hda_vendor_ids; c->id; c++) {
 		if (c->id == vendor_id) {
@@ -635,14 +638,21 @@ static int get_codec_name(struct hda_codec *codec)
 		sprintf(tmp, "Generic %04x", vendor_id);
 		vendor = tmp;
 	}
+	codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
+	if (!codec->vendor_name)
+		return -ENOMEM;
+
+ get_chip_name:
+	if (codec->chip_name)
+		return 0;
+
 	if (codec->preset && codec->preset->name)
-		snprintf(name, sizeof(name), "%s %s", vendor,
-			 codec->preset->name);
-	else
-		snprintf(name, sizeof(name), "%s ID %x", vendor,
-			 codec->vendor_id & 0xffff);
-	codec->name = kstrdup(name, GFP_KERNEL);
-	if (!codec->name)
+		codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
+	else {
+		sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
+		codec->chip_name = kstrdup(tmp, GFP_KERNEL);
+	}
+	if (!codec->chip_name)
 		return -ENOMEM;
 	return 0;
 }
@@ -848,7 +858,8 @@ static void snd_hda_codec_free(struct hda_codec *codec)
 	module_put(codec->owner);
 	free_hda_cache(&codec->amp_cache);
 	free_hda_cache(&codec->cmd_cache);
-	kfree(codec->name);
+	kfree(codec->vendor_name);
+	kfree(codec->chip_name);
 	kfree(codec->modelname);
 	kfree(codec->wcaps);
 	kfree(codec);
@@ -989,15 +1000,16 @@ int snd_hda_codec_configure(struct hda_codec *codec)
 	int err;
 
 	codec->preset = find_codec_preset(codec);
-	if (!codec->name) {
+	if (!codec->vendor_name || !codec->chip_name) {
 		err = get_codec_name(codec);
 		if (err < 0)
 			return err;
 	}
 	/* audio codec should override the mixer name */
 	if (codec->afg || !*codec->bus->card->mixername)
-		strlcpy(codec->bus->card->mixername, codec->name,
-			sizeof(codec->bus->card->mixername));
+		snprintf(codec->bus->card->mixername,
+			 sizeof(codec->bus->card->mixername),
+			 "%s %s", codec->vendor_name, codec->chip_name);
 
 	if (is_generic_config(codec)) {
 		err = snd_hda_parse_generic_codec(codec);
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index cd8979c..c5bd40f 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -748,7 +748,8 @@ struct hda_codec {
 	/* detected preset */
 	const struct hda_codec_preset *preset;
 	struct module *owner;
-	const char *name;	/* codec name */
+	const char *vendor_name;	/* codec vendor name */
+	const char *chip_name;		/* codec chip name */
 	const char *modelname;	/* model name for preset */
 
 	/* set by patch */
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 1c57505..6812fbe 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -242,7 +242,8 @@ CODEC_INFO_SHOW(subsystem_id);
 CODEC_INFO_SHOW(revision_id);
 CODEC_INFO_SHOW(afg);
 CODEC_INFO_SHOW(mfg);
-CODEC_INFO_STR_SHOW(name);
+CODEC_INFO_STR_SHOW(vendor_name);
+CODEC_INFO_STR_SHOW(chip_name);
 CODEC_INFO_STR_SHOW(modelname);
 
 #define CODEC_INFO_STORE(type)					\
@@ -275,7 +276,8 @@ static ssize_t type##_store(struct device *dev,			\
 CODEC_INFO_STORE(vendor_id);
 CODEC_INFO_STORE(subsystem_id);
 CODEC_INFO_STORE(revision_id);
-CODEC_INFO_STR_STORE(name);
+CODEC_INFO_STR_STORE(vendor_name);
+CODEC_INFO_STR_STORE(chip_name);
 CODEC_INFO_STR_STORE(modelname);
 
 #define CODEC_ACTION_STORE(type)				\
@@ -499,7 +501,8 @@ static struct device_attribute codec_attrs[] = {
 	CODEC_ATTR_RW(revision_id),
 	CODEC_ATTR_RO(afg),
 	CODEC_ATTR_RO(mfg),
-	CODEC_ATTR_RW(name),
+	CODEC_ATTR_RW(vendor_name),
+	CODEC_ATTR_RW(chip_name),
 	CODEC_ATTR_RW(modelname),
 	CODEC_ATTR_RW(init_verbs),
 	CODEC_ATTR_RW(hints),
diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c
index 93d7499..418c5d1 100644
--- a/sound/pci/hda/hda_proc.c
+++ b/sound/pci/hda/hda_proc.c
@@ -466,8 +466,12 @@ static void print_codec_info(struct snd_info_entry *entry,
 	hda_nid_t nid;
 	int i, nodes;
 
-	snd_iprintf(buffer, "Codec: %s\n",
-		    codec->name ? codec->name : "Not Set");
+	snd_iprintf(buffer, "Codec: ");
+	if (codec->vendor_name && codec->chip_name)
+		snd_iprintf(buffer, "%s %s\n",
+			    codec->vendor_name, codec->chip_name);
+	else
+		snd_iprintf(buffer, "Not Set\n");
 	snd_iprintf(buffer, "Address: %d\n", codec->addr);
 	snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
 	snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 1bf9d05..4bc3e7e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -277,13 +277,13 @@ struct alc_spec {
 						 */
 	unsigned int num_init_verbs;
 
-	char *stream_name_analog;	/* analog PCM stream */
+	char stream_name_analog[16];	/* analog PCM stream */
 	struct hda_pcm_stream *stream_analog_playback;
 	struct hda_pcm_stream *stream_analog_capture;
 	struct hda_pcm_stream *stream_analog_alt_playback;
 	struct hda_pcm_stream *stream_analog_alt_capture;
 
-	char *stream_name_digital;	/* digital PCM stream */
+	char stream_name_digital[16];	/* digital PCM stream */
 	struct hda_pcm_stream *stream_digital_playback;
 	struct hda_pcm_stream *stream_digital_capture;
 
@@ -3169,7 +3169,10 @@ static int alc_build_pcms(struct hda_codec *codec)
 	if (spec->no_analog)
 		goto skip_analog;
 
+	snprintf(spec->stream_name_analog, sizeof(spec->stream_name_analog),
+		 "%s Analog", codec->chip_name);
 	info->name = spec->stream_name_analog;
+	
 	if (spec->stream_analog_playback) {
 		if (snd_BUG_ON(!spec->multiout.dac_nids))
 			return -EINVAL;
@@ -3195,6 +3198,9 @@ static int alc_build_pcms(struct hda_codec *codec)
  skip_analog:
 	/* SPDIF for stream index #1 */
 	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
+		snprintf(spec->stream_name_digital,
+			 sizeof(spec->stream_name_digital),
+			 "%s Digital", codec->chip_name);
 		codec->num_pcms = 2;
 	        codec->slave_dig_outs = spec->multiout.slave_dig_outs;
 		info = spec->pcm_rec + 1;
@@ -4432,12 +4438,10 @@ static int patch_alc880(struct hda_codec *codec)
 	if (board_config != ALC880_AUTO)
 		setup_preset(spec, &alc880_presets[board_config]);
 
-	spec->stream_name_analog = "ALC880 Analog";
 	spec->stream_analog_playback = &alc880_pcm_analog_playback;
 	spec->stream_analog_capture = &alc880_pcm_analog_capture;
 	spec->stream_analog_alt_capture = &alc880_pcm_analog_alt_capture;
 
-	spec->stream_name_digital = "ALC880 Digital";
 	spec->stream_digital_playback = &alc880_pcm_digital_playback;
 	spec->stream_digital_capture = &alc880_pcm_digital_capture;
 
@@ -6078,11 +6082,9 @@ static int patch_alc260(struct hda_codec *codec)
 	if (board_config != ALC260_AUTO)
 		setup_preset(spec, &alc260_presets[board_config]);
 
-	spec->stream_name_analog = "ALC260 Analog";
 	spec->stream_analog_playback = &alc260_pcm_analog_playback;
 	spec->stream_analog_capture = &alc260_pcm_analog_capture;
 
-	spec->stream_name_digital = "ALC260 Digital";
 	spec->stream_digital_playback = &alc260_pcm_digital_playback;
 	spec->stream_digital_capture = &alc260_pcm_digital_capture;
 
@@ -7337,14 +7339,6 @@ static int patch_alc882(struct hda_codec *codec)
 	if (board_config != ALC882_AUTO)
 		setup_preset(spec, &alc882_presets[board_config]);
 
-	if (codec->vendor_id == 0x10ec0885) {
-		spec->stream_name_analog = "ALC885 Analog";
-		spec->stream_name_digital = "ALC885 Digital";
-	} else {
-		spec->stream_name_analog = "ALC882 Analog";
-		spec->stream_name_digital = "ALC882 Digital";
-	}
-
 	spec->stream_analog_playback = &alc882_pcm_analog_playback;
 	spec->stream_analog_capture = &alc882_pcm_analog_capture;
 	/* FIXME: setup DAC5 */
@@ -9232,13 +9226,6 @@ static int patch_alc883(struct hda_codec *codec)
 
 	switch (codec->vendor_id) {
 	case 0x10ec0888:
-		if (codec->revision_id == 0x100101) {
-			spec->stream_name_analog = "ALC1200 Analog";
-			spec->stream_name_digital = "ALC1200 Digital";
-		} else {
-			spec->stream_name_analog = "ALC888 Analog";
-			spec->stream_name_digital = "ALC888 Digital";
-		}
 		if (!spec->num_adc_nids) {
 			spec->num_adc_nids = ARRAY_SIZE(alc883_adc_nids);
 			spec->adc_nids = alc883_adc_nids;
@@ -9249,8 +9236,6 @@ static int patch_alc883(struct hda_codec *codec)
 		spec->init_amp = ALC_INIT_DEFAULT; /* always initialize */
 		break;
 	case 0x10ec0889:
-		spec->stream_name_analog = "ALC889 Analog";
-		spec->stream_name_digital = "ALC889 Digital";
 		if (!spec->num_adc_nids) {
 			spec->num_adc_nids = ARRAY_SIZE(alc889_adc_nids);
 			spec->adc_nids = alc889_adc_nids;
@@ -9261,8 +9246,6 @@ static int patch_alc883(struct hda_codec *codec)
 							capture */
 		break;
 	default:
-		spec->stream_name_analog = "ALC883 Analog";
-		spec->stream_name_digital = "ALC883 Digital";
 		if (!spec->num_adc_nids) {
 			spec->num_adc_nids = ARRAY_SIZE(alc883_adc_nids);
 			spec->adc_nids = alc883_adc_nids;
@@ -11087,11 +11070,9 @@ static int patch_alc262(struct hda_codec *codec)
 	if (board_config != ALC262_AUTO)
 		setup_preset(spec, &alc262_presets[board_config]);
 
-	spec->stream_name_analog = "ALC262 Analog";
 	spec->stream_analog_playback = &alc262_pcm_analog_playback;
 	spec->stream_analog_capture = &alc262_pcm_analog_capture;
 
-	spec->stream_name_digital = "ALC262 Digital";
 	spec->stream_digital_playback = &alc262_pcm_digital_playback;
 	spec->stream_digital_capture = &alc262_pcm_digital_capture;
 
@@ -12117,14 +12098,6 @@ static int patch_alc268(struct hda_codec *codec)
 	if (board_config != ALC268_AUTO)
 		setup_preset(spec, &alc268_presets[board_config]);
 
-	if (codec->vendor_id == 0x10ec0267) {
-		spec->stream_name_analog = "ALC267 Analog";
-		spec->stream_name_digital = "ALC267 Digital";
-	} else {
-		spec->stream_name_analog = "ALC268 Analog";
-		spec->stream_name_digital = "ALC268 Digital";
-	}
-
 	spec->stream_analog_playback = &alc268_pcm_analog_playback;
 	spec->stream_analog_capture = &alc268_pcm_analog_capture;
 	spec->stream_analog_alt_capture = &alc268_pcm_analog_alt_capture;
@@ -12979,7 +12952,6 @@ static int patch_alc269(struct hda_codec *codec)
 	if (board_config != ALC269_AUTO)
 		setup_preset(spec, &alc269_presets[board_config]);
 
-	spec->stream_name_analog = "ALC269 Analog";
 	if (codec->subsystem_id == 0x17aa3bf8) {
 		/* Due to a hardware problem on Lenovo Ideadpad, we need to
 		 * fix the sample rate of analog I/O to 44.1kHz
@@ -12990,7 +12962,6 @@ static int patch_alc269(struct hda_codec *codec)
 		spec->stream_analog_playback = &alc269_pcm_analog_playback;
 		spec->stream_analog_capture = &alc269_pcm_analog_capture;
 	}
-	spec->stream_name_digital = "ALC269 Digital";
 	spec->stream_digital_playback = &alc269_pcm_digital_playback;
 	spec->stream_digital_capture = &alc269_pcm_digital_capture;
 
@@ -14080,11 +14051,9 @@ static int patch_alc861(struct hda_codec *codec)
 	if (board_config != ALC861_AUTO)
 		setup_preset(spec, &alc861_presets[board_config]);
 
-	spec->stream_name_analog = "ALC861 Analog";
 	spec->stream_analog_playback = &alc861_pcm_analog_playback;
 	spec->stream_analog_capture = &alc861_pcm_analog_capture;
 
-	spec->stream_name_digital = "ALC861 Digital";
 	spec->stream_digital_playback = &alc861_pcm_digital_playback;
 	spec->stream_digital_capture = &alc861_pcm_digital_capture;
 
@@ -15007,13 +14976,8 @@ static int patch_alc861vd(struct hda_codec *codec)
 		setup_preset(spec, &alc861vd_presets[board_config]);
 
 	if (codec->vendor_id == 0x10ec0660) {
-		spec->stream_name_analog = "ALC660-VD Analog";
-		spec->stream_name_digital = "ALC660-VD Digital";
 		/* always turn on EAPD */
 		add_verb(spec, alc660vd_eapd_verbs);
-	} else {
-		spec->stream_name_analog = "ALC861VD Analog";
-		spec->stream_name_digital = "ALC861VD Digital";
 	}
 
 	spec->stream_analog_playback = &alc861vd_pcm_analog_playback;
@@ -16936,17 +16900,6 @@ static int patch_alc662(struct hda_codec *codec)
 	if (board_config != ALC662_AUTO)
 		setup_preset(spec, &alc662_presets[board_config]);
 
-	if (codec->vendor_id == 0x10ec0663) {
-		spec->stream_name_analog = "ALC663 Analog";
-		spec->stream_name_digital = "ALC663 Digital";
-	} else if (codec->vendor_id == 0x10ec0272) {
-		spec->stream_name_analog = "ALC272 Analog";
-		spec->stream_name_digital = "ALC272 Digital";
-	} else {
-		spec->stream_name_analog = "ALC662 Analog";
-		spec->stream_name_digital = "ALC662 Digital";
-	}
-
 	spec->stream_analog_playback = &alc662_pcm_analog_playback;
 	spec->stream_analog_capture = &alc662_pcm_analog_capture;
 


More information about the Alsa-devel mailing list