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sound fixes for 3.18-rc1 

Here are a collection of small fixes after 3.18 merge.  The urgent
 one is the fix for kernel panics with linked PCM substream triggered
 by the recent nonatomic PCM ops support.  Other two fixes (emu10k1 and
 bebob) are stable fixes, and one easy PCI ID addition for a new Intel
 HD-audio controller.
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Merge tag 'sound-fix-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are a collection of small fixes after 3.18 merge.

  The urgent one is the fix for kernel panics with linked PCM substream
  triggered by the recent nonatomic PCM ops support.  Other two fixes
  (emu10k1 and bebob) are stable fixes, and one easy PCI ID addition for
  a new Intel HD-audio controller"

* tag 'sound-fix-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda_intel: Add Device IDs for Intel Sunrise Point PCH
  ALSA: emu10k1: Fix deadlock in synth voice lookup
  ALSA: pcm: Fix referred substream in snd_pcm_action_group() unlock loop
  ALSA: bebob: Fix failure to detect source of clock for Terratec Phase 88
hifive-unleashed-5.1
Linus Torvalds 2014-10-19 12:45:36 -07:00
parent fb378df57d c8b00fd2f4
commit d590c6cdd9
4 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sound/core/pcm_native.c
View File

@ -818,7 +818,7 @@ static int snd_pcm_action_group(struct action_ops *ops,
/* unlock streams */
snd_pcm_group_for_each_entry(s1, substream) {
if (s1 != substream) {
if (s->pcm->nonatomic)
if (s1->pcm->nonatomic)
mutex_unlock(&s1->self_group.mutex);
else
spin_unlock(&s1->self_group.lock);

4
sound/firewire/bebob/bebob_terratec.c
View File

@ -17,10 +17,10 @@ phase88_rack_clk_src_get(struct snd_bebob *bebob, unsigned int *id)
unsigned int enable_ext, enable_word;
int err;
err = avc_audio_get_selector(bebob->unit, 0, 0, &enable_ext);
err = avc_audio_get_selector(bebob->unit, 0, 9, &enable_ext);
if (err < 0)
goto end;
err = avc_audio_get_selector(bebob->unit, 0, 0, &enable_word);
err = avc_audio_get_selector(bebob->unit, 0, 8, &enable_word);
if (err < 0)
goto end;

6
sound/pci/emu10k1/emu10k1_callback.c
View File

@ -85,6 +85,8 @@ snd_emu10k1_ops_setup(struct snd_emux *emux)
* get more voice for pcm
*
* terminate most inactive voice and give it as a pcm voice.
*
* voice_lock is already held.
*/
int
snd_emu10k1_synth_get_voice(struct snd_emu10k1 *hw)
@ -92,12 +94,10 @@ snd_emu10k1_synth_get_voice(struct snd_emu10k1 *hw)
struct snd_emux *emu;
struct snd_emux_voice *vp;
struct best_voice best[V_END];
unsigned long flags;
int i;
emu = hw->synth;
spin_lock_irqsave(&emu->voice_lock, flags);
lookup_voices(emu, hw, best, 1); /* no OFF voices */
for (i = 0; i < V_END; i++) {
if (best[i].voice >= 0) {
@ -113,11 +113,9 @@ snd_emu10k1_synth_get_voice(struct snd_emu10k1 *hw)
vp->emu->num_voices--;
vp->ch = -1;
vp->state = SNDRV_EMUX_ST_OFF;
spin_unlock_irqrestore(&emu->voice_lock, flags);
return ch;
}
}
spin_unlock_irqrestore(&emu->voice_lock, flags);
/* not found */
return -ENOMEM;

4
sound/pci/hda/hda_intel.c
View File

@ -218,6 +218,7 @@ MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
"{Intel, LPT},"
"{Intel, LPT_LP},"
"{Intel, WPT_LP},"
"{Intel, SPT},"
"{Intel, HPT},"
"{Intel, PBG},"
"{Intel, SCH},"
@ -1998,6 +1999,9 @@ static const struct pci_device_id azx_ids[] = {
/* Wildcat Point-LP */
{ PCI_DEVICE(0x8086, 0x9ca0),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Sunrise Point */
{ PCI_DEVICE(0x8086, 0xa170),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Haswell */
{ PCI_DEVICE(0x8086, 0x0a0c),
.driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },