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
