The ThinkCenter team are adding WMI certificate thumbprint support.
Updating the driver to enable it. They are using the same GUID as
Thinkpad/ThinkStation.
Tested on M75q Gen 5.
Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
---
drivers/platform/x86/lenovo/think-lmi.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/lenovo/think-lmi.c b/drivers/platform/x86/lenovo/think-lmi.c
index 540b472b1bf3..c45f0206b4ab 100644
--- a/drivers/platform/x86/lenovo/think-lmi.c
+++ b/drivers/platform/x86/lenovo/think-lmi.c
@@ -195,7 +195,7 @@ static const struct tlmi_cert_guids thinkpad_cert_guid = {
};
static const struct tlmi_cert_guids thinkcenter_cert_guid = {
- .thumbprint = NULL,
+ .thumbprint = LENOVO_CERT_THUMBPRINT_GUID, /* Same GUID as TP */
.set_bios_setting = LENOVO_TC_SET_BIOS_SETTING_CERT_GUID,
.save_bios_setting = LENOVO_TC_SAVE_BIOS_SETTING_CERT_GUID,
.cert_to_password = LENOVO_TC_CERT_TO_PASSWORD_GUID,
@@ -709,6 +709,10 @@ static ssize_t cert_thumbprint(char *buf, const char *arg, int count)
if (!tlmi_priv.cert_guid->thumbprint)
return -EOPNOTSUPP;
+ /* Older ThinkCenter BIOS may not have support */
+ if (!wmi_has_guid(tlmi_priv.cert_guid->thumbprint))
+ return -EOPNOTSUPP;
+
status = wmi_evaluate_method(tlmi_priv.cert_guid->thumbprint, 0, 0, &input, &output);
if (ACPI_FAILURE(status)) {
kfree(output.pointer);
--
2.43.0