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From:   Mark Pearson <mpearson-lenovo@squebb.ca>
To:     mpearson-lenovo@squebb.ca
Cc:     hdegoede@redhat.com, markgross@kernel.org,
        platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 4/4] platform/x86: think-lmi: Don't display unnecessary authentication settings
Date:   Wed, 17 May 2023 14:19:45 -0400
Message-Id: <20230517181945.3725-4-mpearson-lenovo@squebb.ca>
In-Reply-To: <20230517181945.3725-1-mpearson-lenovo@squebb.ca>
References: <mpearson-lenovo@squebb.ca>
 <20230517181945.3725-1-mpearson-lenovo@squebb.ca>
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If Opcode support is available (which is the standard for all platforms
going forward) then there is no need to have the encoding and kbdlang
attributes visible

Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca>
---
 drivers/platform/x86/think-lmi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index 2d95b1a199fa..46500707f939 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -879,6 +879,12 @@ static umode_t auth_attr_is_visible(struct kobject *kobj,
 		return 0;
 	}
 
+	/* Don't display un-needed settings if opcode available */
+	if ((attr == &auth_encoding.attr ||
+	    attr == &auth_kbdlang.attr) &&
+	    tlmi_priv.opcode_support)
+		return 0;
+
 	return attr->mode;
 }
 
-- 
2.40.1