diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index f35b558c29b2474b2e4bd8168c00c4b0bffd5841..01d971c89e43f51d745c0e1220df8105260c7b49 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -1795,6 +1795,7 @@ struct ali_pcm_description {
 	unsigned int capture_num;
 	snd_pcm_ops_t *playback_ops;
 	snd_pcm_ops_t *capture_ops;
+	unsigned short class;
 };
 
 
@@ -1818,7 +1819,6 @@ static int __devinit snd_ali_pcm(ali_t * codec, int device, struct ali_pcm_descr
 	}
 	pcm->private_data = codec;
 	pcm->private_free = snd_ali_pcm_free;
-	pcm->info_flags = 0;
 	if (desc->playback_ops)
 		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, desc->playback_ops);
 	if (desc->capture_ops)
@@ -1828,6 +1828,7 @@ static int __devinit snd_ali_pcm(ali_t * codec, int device, struct ali_pcm_descr
 					      snd_dma_pci_data(codec->pci), 64*1024, 128*1024);
 
 	pcm->info_flags = 0;
+	pcm->dev_class = desc->class;
 	pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
 	strcpy(pcm->name, desc->name);
 	codec->pcm[0] = pcm;
@@ -1836,7 +1837,7 @@ static int __devinit snd_ali_pcm(ali_t * codec, int device, struct ali_pcm_descr
 
 static struct ali_pcm_description ali_pcms[] = {
 	{ "ALI 5451", ALI_CHANNELS, 1, &snd_ali_playback_ops, &snd_ali_capture_ops },
-	{ "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops }
+	{ "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops, SNDRV_PCM_CLASS_MODEM }
 };
 
 static int __devinit snd_ali_build_pcms(ali_t *codec)
diff --git a/sound/pci/atiixp_modem.c b/sound/pci/atiixp_modem.c
index c1a239a4dac642b785d354960f6a1c76f225c223..c020c53a0cda08d06bfcf61656db3b6126ba4386 100644
--- a/sound/pci/atiixp_modem.c
+++ b/sound/pci/atiixp_modem.c
@@ -989,6 +989,7 @@ static int __devinit snd_atiixp_pcm_new(atiixp_t *chip)
 		return err;
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops);
+	pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
 	pcm->private_data = chip;
 	strcpy(pcm->name, "ATI IXP MC97");
 	chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm;
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 2c5d411477188d9ddb5bc19693c980941b9706b0..faf9dd00ba6c8e7d220be8bdbaf6edf5ded0a060 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1277,6 +1277,7 @@ static int __devinit azx_pcm_create(azx_t *chip)
 			err = create_codec_pcm(chip, codec, &codec->pcm_info[c], pcm_dev);
 			if (err < 0)
 				return err;
+			chip->pcm[pcm_dev]->dev_class = SNDRV_PCM_CLASS_MODEM;
 			pcm_dev++;
 		}
 	}
diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 9e2060d56c244f3f6a35aa25e550c43805dc2f5b..2ac1fec5059acc5aeaaa12205c1a557382ec9d73 100644
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -746,6 +746,7 @@ static int __devinit snd_intel8x0_pcm1(intel8x0_t *chip, int device, struct ich_
 
 	pcm->private_data = chip;
 	pcm->info_flags = 0;
+	pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
 	if (rec->suffix)
 		sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
 	else
diff --git a/sound/pci/via82xx_modem.c b/sound/pci/via82xx_modem.c
index 7eac6f6ac737fee70fee677edd319a7123030ca4..034dc1c6262adc674480dde884d25aa002f8e456 100644
--- a/sound/pci/via82xx_modem.c
+++ b/sound/pci/via82xx_modem.c
@@ -832,6 +832,7 @@ static int __devinit snd_via686_pcm_new(via82xx_t *chip)
 		return err;
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops);
+	pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
 	pcm->private_data = chip;
 	strcpy(pcm->name, chip->card->shortname);
 	chip->pcms[0] = pcm;