[ALSA] dev_class=SNDRV_PCM_CLASS_MODEM for modem PCMs

dev_class=SNDRV_PCM_CLASS_MODEM for all supported softmodem PCMs

Signed-off-by: Sasha Khapyorsky <sashak@smlink.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 2c5d411..faf9dd0 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1277,6 +1277,7 @@
 			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++;
 		}
 	}