From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B5F663B3BE1; Wed, 30 Sep 2026 18:57:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790794629; cv=none; b=Hn1CObUO+oI8BN3IPmGmOQTCx2QbBlrzJNWpkPsIQVHntzve9hAiLFA4BtJjeZe80GacOGq+hTNg+bqMixuf011ZWklYxdRGO95loRAV+SCropNQH2TJiFKQd5+i/YTNQgpgc4eO4HVSLpEWWVZMs+RBV9LrrmmxzF5hAvhzK6Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790794629; c=relaxed/simple; bh=8pv904TedvljtJPWnRGgz2i2ccJQhABMHjuNqkbu0xk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KT+3e0hPLa061uuUvL0P+rJQgzF61rcGTkykkljqAc5TAi0tuchpAgC9CDqAu/g0Mzc7wLabsqDHIP/0rsSzarl3UDssHfOus1frS4zI9NAcPSkWU1W/Tyw3h45RHgenmROyLYKsmXoJ+waIheKp5qo9PJrhGDONKKygoLPqRis= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=I7v8ZBIY; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="I7v8ZBIY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1DBD81F000FF; Wed, 30 Sep 2026 18:57:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1790794628; bh=Sq8BE21d0MQ3Z2tZxhS32lORtCu0B+2VIHjq8IltZTo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=I7v8ZBIYyhftfRGVbCa80mz9xAm0OQQ+ZUd6iwDNivH4VjzxLjqwPQ0stGhZOm+Qc dzxDWyHMKekEPp82vdrLXXlmfd9qX7/1Yfpcpi02h03JyFXLCksPKEoIwJhi8lmZfv OBkxXABYr4lWo5EElBUtlwwYnss7yBQjcpsLU7NI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ai Chao , Takashi Iwai , Sasha Levin Subject: [PATCH 6.6 0233/1193] ALSA: usb-audio: Add quirk flags for SC13A Date: Wed, 30 Sep 2026 17:15:17 +0200 Message-ID: <20260930152439.371641989@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260930152434.301151190@linuxfoundation.org> References: <20260930152434.301151190@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ai Chao [ Upstream commit 8956950dab22fbaefe92ca1980728165c5da793d ] The SC13A ( VID 0x1ff7, PID 0x0f81) not support reading the current sample rate and results in an error message printed to kmsg. Set QUIRK_FLAG_GET_SAMPLE_RATE to skip the sample rate check. Quirky device sample: usb 3-5.2.4.1: new high-speed USB device number 11 using xhci_hcd usb 3-5.2.4.1: New USB device found, idVendor=1ff7, idProduct=0f81 usb 3-5.2.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-5.2.4.1: Product: SC13A usb 3-5.2.4.1: Manufacturer: Linux Foundation usb 3-5.2.4.1: SerialNumber: 000002 usb 3-5.2.4.1: Found UVC 1.50 device SC13A (1ff7:0f81) usb 3-5.2.4.1: 3:1: cannot get freq at ep 0x86 usb 3-5.2.4.1: Warning! Unlikely big volume range (=4096), cval->res is probably wrong. usb 3-5.2.4.1: [5] FU [Mic Capture Volume] ch = 1, val = 0/4096/1 usbcore: registered new interface driver snd-usb-audio usb 3-5.2.4.1: 3:1: cannot get freq at ep 0x86 usb 3-5.2.4.1: 3:1: cannot get freq at ep 0x86 Signed-off-by: Ai Chao Link: https://patch.msgid.link/20260617025234.3344935-1-aichao@kylinos.cn Signed-off-by: Takashi Iwai Signed-off-by: Sasha Levin --- sound/usb/quirks.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 8d77662d344f7..aaa3ea577a59b 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2225,6 +2225,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16), DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */ QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16), + DEVICE_FLG(0x1ff7, 0x0f81, /* SC13A Webcam */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */ QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), DEVICE_FLG(0x2040, 0x7201, /* Hauppauge HVR-950Q-MXL */ -- 2.53.0