ALSA: hda: cs35l41: Ensure we pass up any errors during system suspend.
authorStefan Binding <sbinding@opensource.cirrus.com>
Fri, 21 Jul 2023 15:18:10 +0000 (16:18 +0100)
committerTakashi Iwai <tiwai@suse.de>
Mon, 24 Jul 2023 09:00:01 +0000 (11:00 +0200)
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>
sound/pci/hda/cs35l41_hda.c

index f42457147ce478a88b562ffb7d754a05fe16f322..d4a11f7b5dbd1ef1e4793439cf657e3536c6374f 100644 (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);
        }