diff options
Diffstat (limited to 'sound/hda/hdac_bus.c')
| -rw-r--r-- | sound/hda/hdac_bus.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c index 3fe62be1cbcc..09ddab5f5cae 100644 --- a/sound/hda/hdac_bus.c +++ b/sound/hda/hdac_bus.c @@ -81,7 +81,6 @@ int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr, mutex_unlock(&bus->cmd_mutex); return err; } -EXPORT_SYMBOL_GPL(snd_hdac_bus_exec_verb); /** * snd_hdac_bus_exec_verb_unlocked - unlocked version @@ -150,7 +149,6 @@ void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex) schedule_work(&bus->unsol_work); } -EXPORT_SYMBOL_GPL(snd_hdac_bus_queue_event); /* * process queued unsolicited events @@ -162,6 +160,7 @@ static void snd_hdac_bus_process_unsol_events(struct work_struct *work) struct hdac_driver *drv; unsigned int rp, caddr, res; + spin_lock_irq(&bus->reg_lock); while (bus->unsol_rp != bus->unsol_wp) { rp = (bus->unsol_rp + 1) % HDA_UNSOL_QUEUE_SIZE; bus->unsol_rp = rp; @@ -173,10 +172,13 @@ static void snd_hdac_bus_process_unsol_events(struct work_struct *work) codec = bus->caddr_tbl[caddr & 0x0f]; if (!codec || !codec->dev.driver) continue; + spin_unlock_irq(&bus->reg_lock); drv = drv_to_hdac_driver(codec->dev.driver); if (drv->unsol_event) drv->unsol_event(codec, res); + spin_lock_irq(&bus->reg_lock); } + spin_unlock_irq(&bus->reg_lock); } /** |