From: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Polling mode is useful if a machine somehow missed an expected IRQ.
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
sound/hda/hdac_controller.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index b2e9454f5816..a16ac31bda83 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -239,6 +239,8 @@ int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr,
timeout = jiffies + msecs_to_jiffies(1000);
for (loopcounter = 0;; loopcounter++) {
+ if (bus->polling_mode)
+ snd_hdac_bus_update_rirb(bus);
spin_lock_irq(&bus->reg_lock);
if (!bus->rirb.cmds[addr]) {
if (res)
--
2.17.1
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