Merge branch 'for-linus' into for-next

... for applying the further HDMI fixes.

5 files changed, 26 insertions, 8 deletions

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 893d5a1afc3c..c3b5b7dca1c3 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -651,7 +651,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
         int err = -ENODEV;
 
         down_read(&chip->shutdown_rwsem);
-        if (chip->probing)
+        if (chip->probing && chip->in_pm)
                 err = 0;
         else if (!chip->shutdown)
                 err = usb_autopm_get_interface(chip->pm_intf);
@@ -663,7 +663,7 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
 void snd_usb_autosuspend(struct snd_usb_audio *chip)
 {
         down_read(&chip->shutdown_rwsem);
-        if (!chip->shutdown && !chip->probing)
+        if (!chip->shutdown && !chip->probing && !chip->in_pm)
                 usb_autopm_put_interface(chip->pm_intf);
         up_read(&chip->shutdown_rwsem);
 }
@@ -695,8 +695,9 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
                         chip->autosuspended = 1;
         }
 
-        list_for_each_entry(mixer, &chip->mixer_list, list)
-                snd_usb_mixer_suspend(mixer);
+        if (chip->num_suspended_intf == 1)
+                list_for_each_entry(mixer, &chip->mixer_list, list)
+                        snd_usb_mixer_suspend(mixer);
 
         return 0;
 }
@@ -711,6 +712,8 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume)
                 return 0;
         if (--chip->num_suspended_intf)
                 return 0;
+
+        chip->in_pm = 1;
         /*
          * ALSA leaves material resumption to user space
          * we just notify and restart the mixers
@@ -726,6 +729,7 @@ static int __usb_audio_resume(struct usb_interface *intf, bool reset_resume)
         chip->autosuspended = 0;
 
 err_out:
+        chip->in_pm = 0;
         return err;
 }
 
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 9867ab866857..97acb906acc2 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -92,6 +92,7 @@ struct snd_usb_endpoint {
         unsigned int curframesize;      /* current packet size in frames (for capture) */
         unsigned int syncmaxsize;       /* sync endpoint packet size */
         unsigned int fill_max:1;        /* fill max packet size always */
+        unsigned int udh01_fb_quirk:1;  /* corrupted feedback data */
         unsigned int datainterval;      /* log_2 of data packet interval */
         unsigned int syncinterval;      /* P for adaptive mode, 0 otherwise */
         unsigned char silence_value;
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index e70a87e0d9fe..289f582c9130 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -471,6 +471,10 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
                         ep->syncinterval = 3;
 
                 ep->syncmaxsize = le16_to_cpu(get_endpoint(alts, 1)->wMaxPacketSize);
+
+                if (chip->usb_id == USB_ID(0x0644, 0x8038) /* TEAC UD-H01 */ &&
+                    ep->syncmaxsize == 4)
+                        ep->udh01_fb_quirk = 1;
         }
 
         list_add_tail(&ep->list, &chip->ep_list);
@@ -1105,7 +1109,16 @@ void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
         if (f == 0)
                 return;
 
-        if (unlikely(ep->freqshift == INT_MIN)) {
+        if (unlikely(sender->udh01_fb_quirk)) {
+                /*
+                 * The TEAC UD-H01 firmware sometimes changes the feedback value
+                 * by +/- 0x1.0000.
+                 */
+                if (f < ep->freqn - 0x8000)
+                        f += 0x10000;
+                else if (f > ep->freqn + 0x8000)
+                        f -= 0x10000;
+        } else if (unlikely(ep->freqshift == INT_MIN)) {
                 /*
                  * The first time we see a feedback value, determine its format
                  * by shifting it left or right until it matches the nominal
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 131336d40492..c62a1659106d 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1501,9 +1501,8 @@ static void retire_playback_urb(struct snd_usb_substream *subs,
          * The error should be lower than 2ms since the estimate relies
          * on two reads of a counter updated every ms.
          */
-        if (printk_ratelimit() &&
-            abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2)
-                dev_dbg(&subs->dev->dev,
+        if (abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2)
+                dev_dbg_ratelimited(&subs->dev->dev,
                         "delay: estimated %d, actual %d\n",
                         est_delay, subs->last_delay);
 
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 25c4c7e217de..91d0380431b4 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -40,6 +40,7 @@ struct snd_usb_audio {
         struct rw_semaphore shutdown_rwsem;
         unsigned int shutdown:1;
         unsigned int probing:1;
+        unsigned int in_pm:1;
         unsigned int autosuspended:1;   
         unsigned int txfr_quirk:1; /* Subframe boundaries on transfers */