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authorCurtis Malainey <cujomalainey@chromium.org>2022-12-20 15:56:29 +0300
committerMark Brown <broonie@kernel.org>2022-12-21 15:11:51 +0300
commit9a9134fd56f6ba614ff7b2b3b0bac0bf1d0dc0c9 (patch)
treec4489cc23f48ea00c429c86d2bc593d836d33d05
parentd185e0689abc98ef55fb7a7d75aa0c48a0ed5838 (diff)
downloadlinux-9a9134fd56f6ba614ff7b2b3b0bac0bf1d0dc0c9.tar.xz
ASoC: SOF: Add FW state to debugfs
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>
-rw-r--r--sound/soc/sof/debug.c4
1 files changed, 3 insertions, 1 deletions
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);