Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Wed, 11 May 2022 15:41:03 +0200
Message-ID: <s5h35hggpao.wl-tiwai@suse.de>
From:   Takashi Iwai <tiwai@suse.de>
To:     Werner Sembach <wse@tuxedocomputers.com>
Cc:     perex@perex.cz, tiwai@suse.com, kai.vehmanen@linux.intel.com,
        pierre-louis.bossart@linux.intel.com, imre.deak@intel.com,
        alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: hda/intel: Add quirk for TongFang devices with pop noise
In-Reply-To: <20220511133828.13724-1-wse@tuxedocomputers.com>
References: <20220511133828.13724-1-wse@tuxedocomputers.com>
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

On Wed, 11 May 2022 15:38:28 +0200,
Werner Sembach wrote:
> 
> When audio stops playing and sometimes when it starts playing, there is an
> audible "pop" noise when using headphones on most Tongfang GMxMxxx,
> GKxNxxx, GMxZxxx, GMxTxxx, and GMxAxxx devices.
> 
> Disabling power saving for the Realtek codec fixes this noise. Presumably
> it is triggered on some power event in the audio circuit.
> 
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> Cc: stable@vger.kernel.org

Usually this denylist is a last resort if any other methods never
helped.  Is it the case?


thanks,

Takashi