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[2001:1c00:c1e:bf00:1054:9d19:e0f0:8214]) by smtp.gmail.com with ESMTPSA id r11sm458345ejy.71.2021.07.30.04.20.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Jul 2021 04:20:35 -0700 (PDT) Subject: Re: 5.14 regression, Intel SST (BYT) audio no longer works To: Pierre-Louis Bossart , Mark Brown , "alsa-devel@alsa-project.org" References: <6ebbcf0f-3a4b-0b28-1f17-8e1108f040c0@redhat.com> <808f4c7f-4460-40b7-aa91-68bebc639db2@linux.intel.com> From: Hans de Goede Message-ID: <189f7c6f-afb4-8d83-54ca-a3542b876a57@redhat.com> Date: Fri, 30 Jul 2021 13:20:34 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <808f4c7f-4460-40b7-aa91-68bebc639db2@linux.intel.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hdegoede@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Hi, On 7/19/21 5:57 PM, Pierre-Louis Bossart wrote: > >>> I just noticed and I won't have time to dig any deeper for approx. the >>> coming 10 days. Still I wanted to report this in case anyone has any >>> ideas. Or maybe you can reproduce and look for a fix ? >>> >>> After building + installing 5.14-rc1 on a HP Elitepad 1000 G2 >>> (Bay Trail) with a RT5642 codec, I noticed that sound over the >>> speakers and over the docks line-out jack no longer works. >>> >>> Downgrading to 5.13 (without any other changes) fixes this, so this >>> seems to be a regression with 5.14. >>> >>> I've no been able to make time to test this on other BYT/CHT hardware, >>> but I suspect that other models will be affected too. >> >> Thanks Hans for the report, will look into this. >> I can't think of anything that might explain this regression. >> I need to update the series to remove device properties so if the baseline is broken I'll see it as well... > > I don't see any issues seen on a headless CHT Zotac device with RT5640, both with v5.14-rc1 or broonie/for-next. > Maybe something else happening with e.g. ACPI or GPIOs? I guess you tested with the SOF driver? I just tested and SOF works fine in 5.14-rc#, but SST gives no sound. And we still default to SST due to a couple of remaining SOF issues ... I'm investigating this further now. Regards, Hans