Re: [PATCH v5 0/4] Support mute notifications for CS35L41 HDA

From: Takashi Iwai
Date: Fri Sep 22 2023 - 04:49:47 EST


On Thu, 21 Sep 2023 18:28:45 +0200,
Stefan Binding wrote:
>
> Some systems use a special keyboard shortcut to mute speaker audio.
> On systems using CS35L41 HDA which have this shortcut, add a
> mechanism which uses ACPI notifications to determine when the
> shortcut is pressed, and then mute the amps inside the driver.
>
> Since this is not a normal mute mechanism, it does not go through
> userspace. To allow userspace to be able to track this special
> state, add an ALSA control which tracks the state of this forced
> mute
>
> Changes since v2:
> - Fixed compile issue when CONFIG_ACPI is missing
>
> Changes since v3:
> - Split first patch into 3 separate patches
> - Ensure all acpi code is protected by check for CONFIG_ACPI in
> realtek driver
>
> Changes since v4:
> - Rebase onto for-next branch
>
> Stefan Binding (4):
> ALSA: hda: cs35l41: Add notification support into component binding
> ALSA: hda/realtek: Support ACPI Notification framework via component
> binding
> ALSA: hda: cs35l41: Support mute notifications for CS35L41 HDA
> ALSA: hda: cs35l41: Add read-only ALSA control for forced mute

Applied to for-next branch now. Thanks.


Takashi