ALSA: hda - Move one-time init codes from generic_hdmi_init()

The codes to initialize work struct or create a proc interface should
be called only once and never although it's called many times through
the init callback.  Move that stuff into patch_generic_hdmi() so that
it's called only once.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index db8f692..64f1fed 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1277,6 +1277,22 @@
 	return 0;
 }
 
+static int generic_hdmi_init_per_pins(struct hda_codec *codec)
+{
+	struct hdmi_spec *spec = codec->spec;
+	int pin_idx;
+
+	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
+		struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
+		struct hdmi_eld *eld = &per_pin->sink_eld;
+
+		per_pin->codec = codec;
+		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
+		snd_hda_eld_proc_new(codec, eld, pin_idx);
+	}
+	return 0;
+}
+
 static int generic_hdmi_init(struct hda_codec *codec)
 {
 	struct hdmi_spec *spec = codec->spec;
@@ -1285,14 +1301,9 @@
 	for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
 		struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 		hda_nid_t pin_nid = per_pin->pin_nid;
-		struct hdmi_eld *eld = &per_pin->sink_eld;
 
 		hdmi_init_pin(codec, pin_nid);
 		snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
-
-		per_pin->codec = codec;
-		INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
-		snd_hda_eld_proc_new(codec, eld, pin_idx);
 	}
 	snd_hda_jack_report_sync(codec);
 	return 0;
@@ -1338,6 +1349,7 @@
 		return -EINVAL;
 	}
 	codec->patch_ops = generic_hdmi_patch_ops;
+	generic_hdmi_init_per_pins(codec);
 
 	init_channel_allocations();