renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-29 15:43:59 +08:00
Code

ALSA: hda: Comment about snd_hdac_bus_update_rirb() and spinlock

Browse Source 
The call of snd_hdac_bus_update_rirb() needs the bus->reg_lock
spinlock protection for concurrency.  Comment about it more
explicitly.

Link: https://lore.kernel.org/r/20191213163005.19116-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-13 17:30:05 +01:00
parent 1faa9d3a3e
commit 651bbb9d51
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sound/hda/hdac_controller.c
View File

@ -181,6 +181,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_bus_send_cmd);
* @bus: HD-audio core bus
*
* Usually called from interrupt handler.
* The caller needs bus->reg_lock spinlock before calling this.
*/
void snd_hdac_bus_update_rirb(struct hdac_bus *bus)
{