ALSA: firewire-speakers, oxygen, ua101: allow > 10 s periods

Since commit f2b3614cef (Don't check DMA time-out too shortly),
drivers need no longer restrict their PCM period length to be shorter
than 10 seconds.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/oxygen/oxygen_pcm.c

@@ -168,12 +168,6 @@ static int oxygen_open(struct snd_pcm_substream *substream,
 		if (err < 0)
 			return err;
 	}
-	if (channel == PCM_MULTICH) {
-		err = snd_pcm_hw_constraint_minmax
-			(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 0, 8192000);
-		if (err < 0)
-			return err;
-	}
 	snd_pcm_set_sync(substream);
 	chip->streams[channel] = substream;