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Tue, 20 Oct 2026 08:40:39 +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 UzGsFwcp12qlSQAAD6G6ig (envelope-from ); Tue, 20 Oct 2026 08:40:39 +0000 Date: Tue, 20 Oct 2026 10:40:39 +0200 Message-ID: <87fqy0ix2w.wl-tiwai@suse.de> From: Takashi Iwai To: Thomas Nemer Cc: tiwai@suse.com, perex@perex.cz, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] ALSA: usb-audio: Skip sample-rate read-back on PreSonus AudioBox USB In-Reply-To: <20261019204944.28302-1-thomas.nemer@fortytwo.fr> References: <20261019204944.28302-1-thomas.nemer@fortytwo.fr> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: linux-sound@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-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Queue-Id: D18DF1F388 X-Rspamd-Action: no action X-Spam-Level: X-Spamd-Result: default: False [-3.51 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_FIVE(0.00)[6]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.de:dkim] X-Spam-Flag: NO X-Spam-Score: -3.51 On Mon, 19 Oct 2026 22:49:44 +0200, Thomas Nemer wrote: > > The AudioBox USB stalls the UAC1 GET_CUR SAMPLING_FREQ request on both > streaming endpoints. After the sample rate is set, the read-back > verification in set_sample_rate_v1() fails and logs > > usb 1-3.1.2: 2:1: cannot get freq at ep 0x1 > usb 1-3.1.2: 3:1: cannot get freq at ep 0x82 > > on each endpoint configuration until the sample_rate_read_error counter > gives up. Set QUIRK_FLAG_GET_SAMPLE_RATE to skip the read-back on this > device. > > Fixes: 1869c47e5d59 ("ALSA: usb-audio: Fix missing sample-rate control for PreSonus AudioBox USB") > > Cc: stable@vger.kernel.org > Signed-off-by: Thomas Nemer Applied now. Thanks. Takashi