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[1/4] ASoC: SOF: ipc4-loader: save FW version info to debugfs

Message ID 20240402145959.172619-2-pierre-louis.bossart@linux.intel.com (mailing list archive)
State Accepted
Commit f690cdcc01a5b549715fefe22a98962e7672516b
Headers show
Series ASoC: SOF: cppcheck fixes and debugfs addition | expand

Commit Message

Pierre-Louis Bossart April 2, 2024, 2:59 p.m. UTC 
From: Yong Zhi <yong.zhi@intel.com>

To check loaded FW version:

$ hexdump -C /sys/kernel/debug/sof/fw_version
00000000  02 00 07 00 63 00 01 00  00 00 00 00 00 00 00 00  |....c...........|

Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 sound/soc/sof/ipc4-loader.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c
index c79479afa8d0..641c4f24cca9 100644
--- a/sound/soc/sof/ipc4-loader.c
+++ b/sound/soc/sof/ipc4-loader.c
@@ -80,6 +80,14 @@  static ssize_t sof_ipc4_fw_parse_ext_man(struct snd_sof_dev *sdev,
 	dev_dbg(sdev->dev, "Header length: %u, module count: %u\n",
 		fw_header->len, fw_header->num_module_entries);
 
+	/* copy the fw_version of basefw into debugfs at first boot */
+	if (fw == sdev->basefw.fw) {
+		sdev->fw_version.major = fw_header->major_version;
+		sdev->fw_version.minor = fw_header->minor_version;
+		sdev->fw_version.micro = fw_header->hotfix_version;
+		sdev->fw_version.build = fw_header->build_version;
+	}
+
 	fw_lib->modules = devm_kmalloc_array(sdev->dev, fw_header->num_module_entries,
 					     sizeof(*fw_module), GFP_KERNEL);
 	if (!fw_lib->modules)