4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hui Wang <[email protected]>

commit 2ecb704a1290edb5e3d53a75529192e7ed2a1a28 upstream.

Latest Thinkpad laptops use the HKEY_HID LEN0268 instead of the
LEN0068, as a result neither audio mute led nor mic mute led can work
any more.

After adding the new HKEY_HID into the is_thinkpad(), both of them
works well as before.

Signed-off-by: Hui Wang <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 sound/pci/hda/thinkpad_helper.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/sound/pci/hda/thinkpad_helper.c
+++ b/sound/pci/hda/thinkpad_helper.c
@@ -13,7 +13,8 @@ static void (*old_vmaster_hook)(void *,
 static bool is_thinkpad(struct hda_codec *codec)
 {
        return (codec->core.subsystem_id >> 16 == 0x17aa) &&
-              (acpi_dev_found("LEN0068") || acpi_dev_found("IBM0068"));
+              (acpi_dev_found("LEN0068") || acpi_dev_found("LEN0268") ||
+               acpi_dev_found("IBM0068"));
 }
 
 static void update_tpacpi_mute_led(void *private_data, int enabled)


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