# \[PATCH 04/11\] MFD: twl4030-audio: Add DT support

- From: Peter Ujfalusi \<hidden\>
- Date: 2012-08-08 14:31:23 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2012/08/3905375
- Thread: https://ratatoskr.run/alsa-devel/2012/08/3905237/t.md

```text
On 08/08/2012 05:18 PM, Mark Brown wrote:
> I'm struggling to see any reason not to just hold the external mute on
> for the entire time the headset is powered off?

I think because it would mean in most cases that we keep a GPIO line enabled
during the time the HS is not in use, which burns power.
In most cases the mute is enabled when the GPIO line is up.

>> If you are OK with the hassle I can add a patch to the series for
>> include/linux/of.h to handle this.
> 
> Yes, please.

I'll wait for more comments and I'll include it to v2.

-- 
P?ter
```