[alsa-devel] [PATCH] ALSA: hda - add a new condition to check if it is thinkpad

[Takashi Iwai]

On Thu, 10 Nov 2016 06:20:05 +0100,
Hui Wang wrote:
> 
> 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.
> 
> Cc: <stable at vger.kernel.org>
> Signed-off-by: Hui Wang <hui.wang at canonical.com>
> ---
> And the fix for thinkpad_acpi.c already sent out, and got ACK,
> please refer to:
> https://sourceforge.net/p/ibm-acpi/mailman/message/35478616/
> 
> Acctually we don't need to wait thinkpad_acpi.c to be patched first,
> since no matter the thinkpad_acpi.c merge that patch or not, the led
> control function is always provided by thinkpad_acpi.c, the new
> HKEY_ID only affects the automatic insmod for thinkpad_acpi.ko.

Thanks, applied now.


Takashi

> 
>  sound/pci/hda/thinkpad_helper.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/pci/hda/thinkpad_helper.c b/sound/pci/hda/thinkpad_helper.c
> index 6a23302..4d9d320 100644
> --- a/sound/pci/hda/thinkpad_helper.c
> +++ b/sound/pci/hda/thinkpad_helper.c
> @@ -13,7 +13,8 @@
>  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)
> -- 
> 1.9.1
>