[ALSA] ac97 - Small fix for ALC65x codec

Modules: AC97 Codec

Small fix for ALC65x codec, sync with Realtek's driver codes:
- Rename 'IEC958 Playback Route' to 'IEC958 Playback Source' so that
  mixer can handle it properly

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 17c3dda..33d7a1f 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -2411,6 +2411,8 @@
 	}
 	snd_ac97_update_bits(ac97, 0x7a, 0x20, 0x20); /* select jack detect function */
 	snd_ac97_update_bits(ac97, 0x7a, 0x01, 0x01); /* Line-out auto mute */
+	if (ac97->id == AC97_ID_ALC658D)
+		snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800);
 	return snd_ctl_add(ac97->bus->card, snd_ac97_cnew(&snd_ac97_alc_jack_detect, ac97));
 }