system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-09-06 18:01:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

ALSA: hda: cs35l41: Ensure we pass up any errors during system suspend.

Browse source 
There are several steps required to put the system into system suspend.
Some of these steps may fail, so the driver should pass up the errors
if they occur.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230721151816.2080453-6-sbinding@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Stefan Binding 2023-07-21 16:18:10 +01:00 committed by Takashi Iwai
parent a3ff564658
commit f2a58481a5
1 changed files with 13 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
sound/pci/hda/cs35l41_hda.c
View file

@ -626,17 +626,22 @@ static int cs35l41_system_suspend(struct device *dev)
}
ret = pm_runtime_force_suspend(dev);
if (ret)
if (ret) {
dev_err(dev, "System Suspend Failed, unable to runtime suspend: %d\n", ret);
return ret;
}
/* Shutdown DSP before system suspend */
cs35l41_ready_for_reset(cs35l41);
ret = cs35l41_ready_for_reset(cs35l41);
if (ret)
dev_err(dev, "System Suspend Failed, not ready for Reset: %d\n", ret);
/*
* Reset GPIO may be shared, so cannot reset here.
* However beyond this point, amps may be powered down.
*/
return 0;
return ret;
}
static int cs35l41_system_resume(struct device *dev)
@ -659,9 +664,13 @@ static int cs35l41_system_resume(struct device *dev)
usleep_range(2000, 2100);
ret = pm_runtime_force_resume(dev);
if (ret) {
dev_err(dev, "System Resume Failed: Unable to runtime resume: %d\n", ret);
return ret;
}
mutex_lock(&cs35l41->fw_mutex);
if (!ret && cs35l41->request_fw_load && !cs35l41->fw_request_ongoing) {
if (cs35l41->request_fw_load && !cs35l41->fw_request_ongoing) {
cs35l41->fw_request_ongoing = true;
schedule_work(&cs35l41->fw_load_work);
}