[PATCH v2] Fixes HP Spectre x360 15-eb1xxx speakers

[Takashi Iwai]

On Fri, 15 Oct 2021 09:21:22 +0200,
Davide Baldo wrote:
> 
> In laptop 'HP Spectre x360 Convertible 15-eb1xxx/8811' both front and
> rear speakers are silent, this patch fixes that by overriding the pin
> layout and by initializing the amplifier which needs a GPIO pin to be
> set to 1 then 0, similar to the existing HP Spectre x360 14 model.
> 
> In order to have volume control, both front and rear speakers were
> forced to use the DAC1.
> 
> This patch also correctly map the mute LED but since there is no
> microphone on/off switch exposed by the alsa subsystem it never turns
> on by itself.
> 
> There are still known audio issues in this laptop: headset microphone
> doesn't work, the button to mute/unmute microphone is not yet mapped,
> the LED of the mute/unmute speakers doesn't seems to be exposed via
> GPIO and never turns on.
> 
> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=213953
> Signed-off-by: Davide Baldo <davide at baldo.me>

Thanks, applied now.


Takashi