[ALSA] ac97 - procfs - print PCI subsystem vendor/device values

Modules: AC97 Codec

For debugging and problem finding purposes, show also the PCI subsystem
vendor/device values in the ac97#X proc file.
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/pci/ac97/ac97_proc.c

@@ -79,9 +79,16 @@ static void snd_ac97_proc_read_main(ac97_t *ac97, snd_info_buffer_t * buffer, in
 
 	snd_ac97_get_name(NULL, ac97->id, name, 0);
 	snd_iprintf(buffer, "%d-%d/%d: %s\n\n", ac97->addr, ac97->num, subidx, name);
+
+
 	if ((ac97->scaps & AC97_SCAP_AUDIO) == 0)
 		goto __modem;
 
+        snd_iprintf(buffer, "PCI Subsys Vendor: 0x%04x\n",
+	            ac97->subsystem_vendor);
+        snd_iprintf(buffer, "PCI Subsys Device: 0x%04x\n\n",
+                    ac97->subsystem_device);
+
 	if ((ac97->ext_id & AC97_EI_REV_MASK) >= AC97_EI_REV_23) {
 		val = snd_ac97_read(ac97, AC97_INT_PAGING);
 		snd_ac97_update_bits(ac97, AC97_INT_PAGING,