[PATCH] platform/x86: dell-wmi: Add a comment explaining the 0xb2 magic number

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From: Andy Lutomirski <luto@xxxxxxxxxx>

The hotkey table is 0xb2, add a comment for clarity.

Suggested-by: Darren Hart <dvhart@xxxxxxxxxxxxx>
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
Cc: "Pali Rohár" <pali.rohar@xxxxxxxxx>
Cc: Andy Shevchenko <andy@xxxxxxxxxxxxx>
Signed-off-by: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx>
---
 drivers/platform/x86/dell-wmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 8a64c79..24467b1 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -449,6 +449,7 @@ static void __init handle_dmi_entry(const struct dmi_header *dm,
 	if (results->err || results->keymap)
 		return;		/* We already found the hotkey table. */
 
+	/* The Dell hotkey table is type 0xB2.  Scan until we find it. */
 	if (dm->type != 0xb2)
 		return;
 
-- 
2.9.4




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