Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (308 commits)
  ALSA: sound/pci/asihpi: check adapter index in hpi_ioctl
  ALSA: aloop - Fix possible IRQ lock inversion
  ALSA: sound/core: merge list_del()/list_add_tail() to list_move_tail()
  ALSA: ctxfi - use list_move() instead of list_del()/list_add() combination
  ALSA: firewire - msleep needs delay.h
  ALSA: firewire-lib, firewire-speakers: handle packet queueing errors
  ALSA: firewire-lib: allocate DMA buffer separately
  ALSA: firewire-lib: use no-info SYT for packets without SYT sample
  ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver
  ALSA: hda - Remove an unused variable in patch_realtek.c
  ALSA: hda - pin-adc-mux-dmic auto-configuration of 92HD8X codecs
  ALSA: hda - fix digital mic selection in mixer on 92HD8X codecs
  ALSA: hda - Move default input-src selection to init part
  ALSA: hda - Initialize special cases for input src in init phase
  ALSA: ctxfi - Clear input settings before initialization
  ALSA: ctxfi - Fix SPDIF status retrieval
  ALSA: ctxfi - Fix incorrect SPDIF status bit mask
  ALSA: ctxfi - Fix microphone boost codes/comments
  ALSA: atiixp - Fix wrong time-out checks during ac-link reset
  ALSA: intel8x0m: append 'm' to "r_intel8x0"
  ...

1 files changed, 15 insertions, 5 deletions

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index e3f680526cb5..b8dcbf407bbb 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -32,6 +32,7 @@
 #include "helper.h"
 #include "pcm.h"
 #include "clock.h"
+#include "power.h"
 
 /*
  * return the current pcm pointer.  just based on the hwptr_done value.
@@ -739,6 +740,9 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
 		pt = 125 * (1 << fp->datainterval);
 		ptmin = min(ptmin, pt);
 	}
+	err = snd_usb_autoresume(subs->stream->chip);
+	if (err < 0)
+		return err;
 
 	param_period_time_if_needed = SNDRV_PCM_HW_PARAM_PERIOD_TIME;
 	if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
@@ -756,21 +760,21 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
 				       SNDRV_PCM_HW_PARAM_CHANNELS,
 				       param_period_time_if_needed,
 				       -1)) < 0)
-		return err;
+		goto rep_err;
 	if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 				       hw_rule_channels, subs,
 				       SNDRV_PCM_HW_PARAM_FORMAT,
 				       SNDRV_PCM_HW_PARAM_RATE,
 				       param_period_time_if_needed,
 				       -1)) < 0)
-		return err;
+		goto rep_err;
 	if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
 				       hw_rule_format, subs,
 				       SNDRV_PCM_HW_PARAM_RATE,
 				       SNDRV_PCM_HW_PARAM_CHANNELS,
 				       param_period_time_if_needed,
 				       -1)) < 0)
-		return err;
+		goto rep_err;
 	if (param_period_time_if_needed >= 0) {
 		err = snd_pcm_hw_rule_add(runtime, 0,
 					  SNDRV_PCM_HW_PARAM_PERIOD_TIME,
@@ -780,11 +784,15 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
 					  SNDRV_PCM_HW_PARAM_RATE,
 					  -1);
 		if (err < 0)
-			return err;
+			goto rep_err;
 	}
 	if ((err = snd_usb_pcm_check_knot(runtime, subs)) < 0)
-		return err;
+		goto rep_err;
 	return 0;
+
+rep_err:
+	snd_usb_autosuspend(subs->stream->chip);
+	return err;
 }
 
 static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
@@ -798,6 +806,7 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
 	runtime->hw = snd_usb_hardware;
 	runtime->private_data = subs;
 	subs->pcm_substream = substream;
+	/* runtime PM is also done there */
 	return setup_hw_info(runtime, subs);
 }
 
@@ -811,6 +820,7 @@ static int snd_usb_pcm_close(struct snd_pcm_substream *substream, int direction)
 		subs->interface = -1;
 	}
 	subs->pcm_substream = NULL;
+	snd_usb_autosuspend(subs->stream->chip);
 	return 0;
 }