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From: Takashi Iwai <tiwai@suse.de>
To: raoxu <raoxu@uniontech.com>
Cc: perex@perex.cz, tiwai@suse.com, luiz.von.dentz@intel.com,
	brgl@kernel.org, pengpeng@iscas.ac.cn, pmenzel@molgen.mpg.de,
	linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: cs8427: read the PCM stream IEC958 status from its own buffer
Date: Wed, 04 Nov 2026 15:40:30 +0100	[thread overview]
Message-ID: <871p90vew1.wl-tiwai@suse.de> (raw)
In-Reply-To: <7A8A7F3C30522F89+20261104083304.4000520-1-raoxu@uniontech.com>

On Wed, 04 Nov 2026 09:33:04 +0100,
raoxu wrote:
> 
> From: Xu Rao <raoxu@uniontech.com>
> 
> The IEC958 Playback PCM Stream control writes pcm_status, but its
> get callback always returns def_status.  As a result, userspace
> reads back the default status instead of the PCM stream status after
> writing the stream control.  Rate changes also update pcm_status
> without being reflected in the value returned by the control.
> 
> Select the status buffer using the same private_value as the put
> callback.  The default control continues to return def_status,
> while the PCM stream control now returns its own current status.
> 
> Signed-off-by: Xu Rao <raoxu@uniontech.com>

Applied to for-next branch now, as this is no urgent fix.


thanks,

Takashi

      reply	other threads:[~2026-11-04 14:40 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-04  8:33 raoxu
2026-11-04 14:40 ` Takashi Iwai [this message]

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