From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 13 Aug 2008 18:55:32 +0000 (+0200)
Subject: ALSA: hda - put all HDA codec IDs to components for precise hw detection
X-Git-Tag: v2.6.28-rc1~720^2~192
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=ba443687f2eb70d23e0466d4b7c0c3366b5cb5fb;p=linux-2.6-omap-h63xx.git

ALSA: hda - put all HDA codec IDs to components for precise hw detection

Export HDA codec subvendor ID and revision ID to user space via the
components variable. Our alsactl utility requires these values for
the perfect hardware identification.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 529bd5f6521..4f329115080 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -588,7 +588,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 				struct hda_codec **codecp)
 {
 	struct hda_codec *codec;
-	char component[13];
+	char component[31];
 	int err;
 
 	if (snd_BUG_ON(!bus))
@@ -693,7 +693,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
 	snd_hda_create_hwdep(codec);
 #endif
 
-	sprintf(component, "HDA:%08x", codec->vendor_id);
+	sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id);
 	snd_component_add(codec->bus->card, component);
 
 	if (codecp)