ASoC: SOF: Add FW state to debugfs

cujomalainey · pull[bot] · commit f921b86dcbbd · 2023-02-12T21:45:14.000Z
Allow system health detection mechanisms to check the FW state, this will allow them to check if the FW is in its "crashed" state going forward to help automatically diagnose driver state. Signed-off-by: Curtis Malainey <cujomalainey@chromium.org> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20221220125629.8469-4-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
@@ -353,7 +353,9 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)
 			return err;
 	}
 
-	return 0;
+	return snd_sof_debugfs_buf_item(sdev, &sdev->fw_state,
+					sizeof(sdev->fw_state),
+					"fw_state", 0444);
 }
 EXPORT_SYMBOL_GPL(snd_sof_dbg_init);
 

Original file line number	Diff line number	Diff line change
`@@ -353,7 +353,9 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)`
`353`	`353`	`return err;`
`354`	`354`	`}`
`355`	`355`
`356`		`- return 0;`
	`356`	`+ return snd_sof_debugfs_buf_item(sdev, &sdev->fw_state,`
	`357`	`+ sizeof(sdev->fw_state),`
	`358`	`+ "fw_state", 0444);`
`357`	`359`	`}`
`358`	`360`	`EXPORT_SYMBOL_GPL(snd_sof_dbg_init);`
`359`	`361`