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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8AB1C433F5 for ; Wed, 19 Jan 2022 09:12:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352926AbiASJMq (ORCPT ); Wed, 19 Jan 2022 04:12:46 -0500 Received: from smtp-out2.suse.de ([195.135.220.29]:54736 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352899AbiASJMo (ORCPT ); Wed, 19 Jan 2022 04:12:44 -0500 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id BCEB81F384; Wed, 19 Jan 2022 09:12:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1642583563; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vH8JJCBqQX/r+cXLJWue2nQbClIaooGKm6drd2hHgHQ=; b=mvDsnSUy62bkFv+nJbEaV+oWfLYPEh2C8nNj0OST9zAbO7Jtg4uHYeIq7AAQhqVjseR4Ye /3Mc9Sys+cQNL9qTWnqXd8CL50/IWaT/WKfiM3qGXMwp4jKOliUgSOHSWR87RXHHW4kmmS d4uRfpsVMf+f7kRhiB1mcE8TmpY46uA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1642583563; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vH8JJCBqQX/r+cXLJWue2nQbClIaooGKm6drd2hHgHQ=; b=I2ZBpcB25T/tBsxPHjvnifs+8m/s307lPqmsM+XK6iGyrmdltXtYaqLi4VQSTjfNHYBFKD X/2hXnzCQrRHX5Dw== Received: from alsa1.suse.de (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 7F4C9A3B81; Wed, 19 Jan 2022 09:12:43 +0000 (UTC) Date: Wed, 19 Jan 2022 10:12:43 +0100 Message-ID: From: Takashi Iwai To: Alexander Sergeyev Cc: Jeremy Szu , tiwai@suse.com, "moderated list:SOUND" , Kailang Yang , open list , Huacai Chen , Jian-Hong Pan , Hui Wang , PeiSen Hou Subject: Re: [PATCH 1/4] ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8 In-Reply-To: <20220115152215.kprws5nja2i43qax@localhost.localdomain> References: <20220112101249.ya73jvpmqmeh4ggg@localhost.localdomain> <20220112104827.4aymoth7ua65nwge@localhost.localdomain> <20220112201824.qmphnz2hx4frda6e@localhost.localdomain> <20220113183141.kla37mbqmo4x6wxp@localhost.localdomain> <20220114183720.n46wealclg6spxkp@localhost.localdomain> <20220115152215.kprws5nja2i43qax@localhost.localdomain> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 15 Jan 2022 16:22:15 +0100, Alexander Sergeyev wrote: > > On Sat, Jan 15, 2022 at 08:55:28AM +0100, Takashi Iwai wrote: > > > This patch solved the BUG problem. But after unbind/bind micmute LED > > > stopped working. Speakers and mute LED are fine though. > > Does the corresponding sysfs entry exist in /sys/class/leds/*? > > Yes. > > > And can you control LED over there? > > After "out of range cmd" messages the sysfs entry remains present, but writing > ones to the brightness file stops to produce any effect. > > Actually, the timing issues are present here as well. Sometimes unbind & bind > works fine. But fails on the second round. Here "fails" means the kernel Oops / crash? If yes, the back trace would be helpful. thanks, Takashi