[v1,04/11] ALSA: hda: cs35l41: Ensure we pass up any errors during system suspend.

Commit Message

Stefan Binding July 20, 2023, 1:31 p.m. UTC

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 <[e-mail]>
---
 sound/pci/hda/cs35l41_hda.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

Patch

diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index f42457147ce47..d4a11f7b5dbd1 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -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);
 	}