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

Since commit f2b3614cefb6 (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>

3 files changed, 2 insertions, 8 deletions

diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c
index 5466de8527bd..3fc257da180c 100644
--- a/sound/firewire/speakers.c
+++ b/sound/firewire/speakers.c
@@ -171,7 +171,7 @@ static int fwspk_open(struct snd_pcm_substream *substream)
 
         err = snd_pcm_hw_constraint_minmax(runtime,
                                            SNDRV_PCM_HW_PARAM_PERIOD_TIME,
-                                           5000, 8192000);
+                                           5000, UINT_MAX);
         if (err < 0)
                 return err;
 
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index d5533e34ece9..cc0bcd9f3350 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/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;
 
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index fb5d68fa7ff4..67bec7612442 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -645,7 +645,7 @@ static int set_stream_hw(struct ua101 *ua, struct snd_pcm_substream *substream,
         err = snd_pcm_hw_constraint_minmax(substream->runtime,
                                            SNDRV_PCM_HW_PARAM_PERIOD_TIME,
                                            1500000 / ua->packets_per_second,
-                                           8192000);
+                                           UINT_MAX);
         if (err < 0)
                 return err;
         err = snd_pcm_hw_constraint_msbits(substream->runtime, 0, 32, 24);