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[157.107.86.118]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-24905da47c2sm50308445ad.78.2025.08.30.05.14.05 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 30 Aug 2025 05:14:06 -0700 (PDT) Message-ID: <797f63ce-17da-4b51-b9d5-2228d67c6d70@gmail.com> Date: Sat, 30 Aug 2025 21:14:03 +0900 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Content-Language: en-US To: linux-sound@vger.kernel.org From: Kalvin Lee Subject: HDMI card is "dropped" on resume Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi folks, Advance apologies if I'm in the wrong place --- I was directed here from an alsa-lib issue board [1], but I'd appreciate a bounce if I ought to ask elsewhere. Since mid-July or so, suspending my device causes ALSA to "forget" about its HDMI output. (`alsactl monitor` / amixer see the card transition off on suspend and don't see it transition back on until I activate some workaround.) There are a few additional logs pasted into the issue I filed via Github [1], but nothing major, AFAICT. (A simple workaround to prevent this is to leave audio playing over my HDMI output while suspending.) Is this a KI? If not, is there any input I can provide to make this actionable? Thanks, Kalvin [1] https://github.com/alsa-project/alsa-lib/issues/465