ALSA: hda - Fix beep-tone on IDT 92HD87/88 codecs

It sounds like a non-linear beep tone on my test machines...

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index a1df0fa..8e2bb0a 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -5423,7 +5423,7 @@
 	snd_hda_codec_write_cache(codec, codec->afg, 0, 0x7ED, 0);
 	codec->no_trigger_sense = 1;
 	codec->spec = spec;
-	spec->linear_tone_beep = 1;
+	spec->linear_tone_beep = 0;
 	codec->slave_dig_outs = stac92hd83xxx_slave_dig_outs;
 	spec->digbeep_nid = 0x21;
 	spec->dmic_nids = stac92hd83xxx_dmic_nids;