diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 9a20fb1bef4f..557f269f83ab 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -536,8 +536,9 @@ static void azx_update_rirb(struct azx *chip) if (res_ex & ICH6_RIRB_EX_UNSOL_EV) snd_hda_queue_unsol_event(chip->bus, res, res_ex); else if (chip->rirb.cmds) { - chip->rirb.cmds--; chip->rirb.res = res; + smp_wmb(); + chip->rirb.cmds--; } } } @@ -556,8 +557,10 @@ static unsigned int azx_rirb_get_response(struct hda_codec *codec) azx_update_rirb(chip); spin_unlock_irq(&chip->reg_lock); } - if (!chip->rirb.cmds) + if (!chip->rirb.cmds) { + smp_rmb(); return chip->rirb.res; /* the last value */ + } if (time_after(jiffies, timeout)) break; if (codec->bus->needs_damn_long_delay) |