[ALSA] hda-codec - Fix SPDIF device number of ALC codecs

Assign the SPDIF always to the secondary device (dev#1) to keep
the same configuration.  Move the optional capture device to the
third device (dev#2).
hda_intel now just ignores the NULL entries in the pcm arrays
from codecs.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/pci/hda/hda_intel.c

@@ -1242,7 +1242,12 @@ static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
 	struct snd_pcm *pcm;
 	struct azx_pcm *apcm;
 
-	snd_assert(cpcm->stream[0].substreams || cpcm->stream[1].substreams, return -EINVAL);
+	/* if no substreams are defined for both playback and capture,
+	 * it's just a placeholder.  ignore it.
+	 */
+	if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
+		return 0;
+
 	snd_assert(cpcm->name, return -EINVAL);
 
 	err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
@@ -1268,7 +1273,8 @@ static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec,
 					      snd_dma_pci_data(chip->pci),
 					      1024 * 64, 1024 * 128);
 	chip->pcm[pcm_dev] = pcm;
-	chip->pcm_devs = pcm_dev + 1;
+	if (chip->pcm_devs < pcm_dev + 1)
+		chip->pcm_devs = pcm_dev + 1;
 
 	return 0;
 }

sound/pci/hda/patch_realtek.c

@@ -1796,25 +1796,9 @@ static int alc_build_pcms(struct hda_codec *codec)
 		}
 	}
 
-	/* If the use of more than one ADC is requested for the current
-	 * model, configure a second analog capture-only PCM.
-	 */
-	if (spec->num_adc_nids > 1) {
-		codec->num_pcms++;
-		info++;
-		info->name = spec->stream_name_analog;
-		/* No playback stream for second PCM */
-		info->stream[SNDRV_PCM_STREAM_PLAYBACK] = alc_pcm_null_playback;
-		info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = 0;
-		if (spec->stream_analog_capture) {
-			snd_assert(spec->adc_nids, return -EINVAL);
-			info->stream[SNDRV_PCM_STREAM_CAPTURE] = *(spec->stream_analog_capture);
-			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[1];
-		}
-	}
-
+	/* SPDIF for stream index #1 */
 	if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
-		codec->num_pcms++;
+		codec->num_pcms = 2;
 		info++;
 		info->name = spec->stream_name_digital;
 		if (spec->multiout.dig_out_nid &&
@@ -1829,6 +1813,24 @@ static int alc_build_pcms(struct hda_codec *codec)
 		}
 	}
 
+	/* If the use of more than one ADC is requested for the current
+	 * model, configure a second analog capture-only PCM.
+	 */
+	/* Additional Analaog capture for index #2 */
+	if (spec->num_adc_nids > 1 && spec->stream_analog_capture &&
+	    spec->adc_nids) {
+		codec->num_pcms = 3;
+		info++;
+		info->name = spec->stream_name_analog;
+		/* No playback stream for second PCM */
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK] = alc_pcm_null_playback;
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = 0;
+		if (spec->stream_analog_capture) {
+			info->stream[SNDRV_PCM_STREAM_CAPTURE] = *(spec->stream_analog_capture);
+			info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adc_nids[1];
+		}
+	}
+
 	return 0;
 }