* [PATCH 2/2] ASoC: rt711: wait for the delayed work to finish when the system suspends
@ 2020-09-21 9:43 shumingf
2020-09-21 14:29 ` Pierre-Louis Bossart
0 siblings, 1 reply; 2+ messages in thread
From: shumingf @ 2020-09-21 9:43 UTC (permalink / raw)
To: broonie, lgirdwood
Cc: oder_chiou, jack.yu, alsa-devel, lars, mengdong.lin, derek.fang,
Shuming Fan, flove, pierre-louis.bossart
From: Shuming Fan <shumingf@realtek.com>
To avoid the IO error, we need to cancel the delayed work and wait for it to finish.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
---
sound/soc/codecs/rt711-sdw.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
index 28d663673320..3a8ca600d1cf 100644
--- a/sound/soc/codecs/rt711-sdw.c
+++ b/sound/soc/codecs/rt711-sdw.c
@@ -491,6 +491,10 @@ static int __maybe_unused rt711_dev_suspend(struct device *dev)
if (!rt711->hw_init)
return 0;
+ cancel_delayed_work_sync(&rt711->jack_detect_work);
+ cancel_delayed_work_sync(&rt711->jack_btn_check_work);
+ cancel_work_sync(&rt711->calibration_work);
+
regcache_cache_only(rt711->regmap, true);
return 0;
--
2.28.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 2/2] ASoC: rt711: wait for the delayed work to finish when the system suspends
2020-09-21 9:43 [PATCH 2/2] ASoC: rt711: wait for the delayed work to finish when the system suspends shumingf
@ 2020-09-21 14:29 ` Pierre-Louis Bossart
0 siblings, 0 replies; 2+ messages in thread
From: Pierre-Louis Bossart @ 2020-09-21 14:29 UTC (permalink / raw)
To: shumingf, broonie, lgirdwood
Cc: oder_chiou, jack.yu, alsa-devel, lars, mengdong.lin, derek.fang,
flove, pierre-louis.bossart
On 9/21/20 4:43 AM, shumingf@realtek.com wrote:
> From: Shuming Fan <shumingf@realtek.com>
>
> To avoid the IO error, we need to cancel the delayed work and wait for it to finish.
>
> Signed-off-by: Shuming Fan <shumingf@realtek.com>
Thanks Shuming.
For more context we detected a timeout error during suspend-resume
stress tests, the problem is similar to an earlier case with interrupt
handling already fixed in the SoundWire tree: we want all workqueues to
complete before suspending.
BugLink: https://github.com/thesofproject/linux/issues/2443
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
> ---
> sound/soc/codecs/rt711-sdw.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/sound/soc/codecs/rt711-sdw.c b/sound/soc/codecs/rt711-sdw.c
> index 28d663673320..3a8ca600d1cf 100644
> --- a/sound/soc/codecs/rt711-sdw.c
> +++ b/sound/soc/codecs/rt711-sdw.c
> @@ -491,6 +491,10 @@ static int __maybe_unused rt711_dev_suspend(struct device *dev)
> if (!rt711->hw_init)
> return 0;
>
> + cancel_delayed_work_sync(&rt711->jack_detect_work);
> + cancel_delayed_work_sync(&rt711->jack_btn_check_work);
> + cancel_work_sync(&rt711->calibration_work);
> +
> regcache_cache_only(rt711->regmap, true);
>
> return 0;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-09-21 9:43 [PATCH 2/2] ASoC: rt711: wait for the delayed work to finish when the system suspends shumingf
2020-09-21 14:29 ` Pierre-Louis Bossart
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