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[3/3] ASoC: SOF: Add FW state to debugfs

Message ID 20221215185347.1457541-4-ranjani.sridharan@linux.intel.com
State New
Headers show
Series ASoC: SOF: Fixes for suspend after firmware crash | expand

Commit Message

Ranjani Sridharan Dec. 15, 2022, 6:53 p.m. UTC 
From: Curtis Malainey <cujomalainey@chromium.org>

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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
---
 sound/soc/sof/debug.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index d9a3ce7b69e1..ade0507328af 100644
--- 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);