From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07D37C433E0 for ; Mon, 29 Jun 2020 20:04:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D915720672 for ; Mon, 29 Jun 2020 20:04:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593461070; bh=7IE2Uu2N8YQKG1XRnzrqLrSq4KIELFlb7Zow4BZM670=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fEon9R+//ew8MwClssL89nIN+416bk0D6Y2tlGlpbESySpG0FQ4C12rAE2iDhcB3m Erbk6oL8I/9rFfHZCy7aZSpPDl+aBRMH4B2abe0oBAyBp4oOXzDTMkBubqUSnWOEA+ dpF9rX36M281tTMho1UkvyY75OswyXg8pnDaUhsU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731818AbgF2UE3 (ORCPT ); Mon, 29 Jun 2020 16:04:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:40566 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732996AbgF2Tac (ORCPT ); Mon, 29 Jun 2020 15:30:32 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AFFA425237; Mon, 29 Jun 2020 15:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593444952; bh=7IE2Uu2N8YQKG1XRnzrqLrSq4KIELFlb7Zow4BZM670=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d1kQjHko9YU0a3VXmpPCrrq+hqkAzBAwkNgEcI6zBxtPhkIJVrZa+wzxigV02p4He Ym2/PsnZC9JXx+m+Xiure+FuRtlnxBNwT/k2X3IB5MSccdQrENCcgCzi90QQQexaAB E5wBvb2RW49N0RQUAePCTtWf8EpJHUie3CF3oiLQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Macpaul Lin , Chihhao Chen , Takashi Iwai , Greg Kroah-Hartman Subject: [PATCH 4.19 050/131] ALSA: usb-audio: add quirk for Samsung USBC Headset (AKG) Date: Mon, 29 Jun 2020 11:33:41 -0400 Message-Id: <20200629153502.2494656-51-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200629153502.2494656-1-sashal@kernel.org> References: <20200629153502.2494656-1-sashal@kernel.org> MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.131-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-4.19.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 4.19.131-rc1 X-KernelTest-Deadline: 2020-07-01T15:34+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Macpaul Lin commit a32a1fc99807244d920d274adc46ba04b538cc8a upstream. We've found Samsung USBC Headset (AKG) (VID: 0x04e8, PID: 0xa051) need a tiny delay after each class compliant request. Otherwise the device might not be able to be recognized each times. Signed-off-by: Chihhao Chen Signed-off-by: Macpaul Lin Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/1592910203-24035-1-git-send-email-macpaul.lin@mediatek.com Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/usb/quirks.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 976eee06907c9..8b5bc809efd3f 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1345,6 +1345,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, chip->usb_id == USB_ID(0x0951, 0x16ad)) && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) usleep_range(1000, 2000); + + /* + * Samsung USBC Headset (AKG) need a tiny delay after each + * class compliant request. (Model number: AAM625R or AAM627R) + */ + if (chip->usb_id == USB_ID(0x04e8, 0xa051) && + (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) + usleep_range(5000, 6000); } /* -- 2.25.1