Re: [PATCH] ALSA: usb-audio: Fix Audio Advantage Micro II SPDIF switch

[Takashi Iwai]

On Wed, 22 Apr 2026 03:07:41 +0200,
Cássio Gabriel wrote:
> 
> snd_microii_spdif_switch_put() returns 0 when the requested
> vendor register value differs from the cached one.
> 
> This comparison was inverted by the resume-support conversion,
> so real SPDIF switch toggles are ignored while no-op writes still
> issue SET_CUR and report success.
> 
> Return early only when the requested value matches the cached one.
> 
> Fixes: 288673beae6c ("ALSA: usb-audio: Add resume support for MicroII SPDIF ctls")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Cássio Gabriel <cassiogabrielcontato@xxxxxxxxx>

Thanks, applied now.


Takashi