From: Abhijeet Kumar <[email protected]>
Finite loop and msleep was causing few igt@pm_rpm tests failure
for HSW and BDW. Thus removing them.
Fixes: 3b5b899ca67d ("ALSA: hda: Make use of core codec functions to
sync power state")
References: https://bugs.freedesktop.org/show_bug.cgi?id=105069
Signed-off-by: Abhijeet Kumar <[email protected]>
---
Changes in v2:
1. Removed msleep as well.
2. Modified commit message.
sound/hda/hdac_device.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/sound/hda/hdac_device.c b/sound/hda/hdac_device.c
index 7ba100bb1c3f..678ef8950d0c 100644
--- a/sound/hda/hdac_device.c
+++ b/sound/hda/hdac_device.c
@@ -1079,15 +1079,13 @@ unsigned int snd_hdac_sync_power_state(struct
hdac_device *codec,
hda_nid_t nid, unsigned int power_state)
{
unsigned long end_time = jiffies + msecs_to_jiffies(500);
- unsigned int state, actual_state, count;
+ unsigned int state, actual_state;
- for (count = 0; count < 500; count++) {
+ for (; ;) {
state = snd_hdac_codec_read(codec, nid, 0,
AC_VERB_GET_POWER_STATE, 0);
- if (state & AC_PWRST_ERROR) {
- msleep(20);
+ if (state & AC_PWRST_ERROR)
break;
- }
actual_state = (state >> 4) & 0x0f;
if (actual_state == power_state)
break;
--
1.9.1
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