ASoC: SOF: Add FW state to debugfs

[ Upstream commit 9a9134fd56 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Curtis Malainey
2022-12-20 14:56:29 +02:00
committed by Greg Kroah-Hartman
parent 4e491a1373
commit c658a6d550

View File

@@ -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);