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Wed, 4 Nov 2026 14:40:30 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id ij6gF95D62pbegAAD6G6ig (envelope-from ); Wed, 04 Nov 2026 14:40:30 +0000 Date: Wed, 04 Nov 2026 15:40:30 +0100 Message-ID: <871p90vew1.wl-tiwai@suse.de> From: Takashi Iwai To: raoxu 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 In-Reply-To: <7A8A7F3C30522F89+20261104083304.4000520-1-raoxu@uniontech.com> References: <7A8A7F3C30522F89+20261104083304.4000520-1-raoxu@uniontech.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spamd-Result: default: False [-12.30 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_SEVEN(0.00)[9]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Score: -12.30 X-Spam-Level: X-Spam-Flag: NO On Wed, 04 Nov 2026 09:33:04 +0100, raoxu wrote: > > From: Xu Rao > > 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 Applied to for-next branch now, as this is no urgent fix. thanks, Takashi