diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 10:46:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-18 10:46:37 -0700 |
| commit | d3e458d78167102cc961237cfceef6fffc80c0b3 (patch) | |
| tree | e9195c1294daf053614e63ac52b0b44a28479017 /sound/usb/midi.c | |
| parent | f2e1fbb5f2177227f71c4fc0491e531dd7acd385 (diff) | |
| parent | d351cf4603edb2a5bfa9a48d06c425511c63f2a3 (diff) | |
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"
...
Diffstat (limited to 'sound/usb/midi.c')
| -rw-r--r-- | sound/usb/midi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/usb/midi.c b/sound/usb/midi.c index db2dc5ffe6d..b4b39c0b6c9 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -54,6 +54,7 @@ #include <sound/asequencer.h> #include "usbaudio.h" #include "midi.h" +#include "power.h" #include "helper.h" /* @@ -1044,6 +1045,7 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream) struct snd_usb_midi* umidi = substream->rmidi->private_data; struct usbmidi_out_port* port = NULL; int i, j; + int err; for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) if (umidi->endpoints[i].out) @@ -1056,6 +1058,9 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream) snd_BUG(); return -ENXIO; } + err = usb_autopm_get_interface(umidi->iface); + if (err < 0) + return -EIO; substream->runtime->private_data = port; port->state = STATE_UNKNOWN; substream_open(substream, 1); @@ -1064,7 +1069,10 @@ static int snd_usbmidi_output_open(struct snd_rawmidi_substream *substream) static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream) { + struct snd_usb_midi* umidi = substream->rmidi->private_data; + substream_open(substream, 0); + usb_autopm_put_interface(umidi->iface); return 0; } |