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([2001:a61:1328:3001:f150:c1:f1a3:b448]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b72bf31286esm1299966766b.21.2025.11.11.01.16.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Nov 2025 01:16:10 -0800 (PST) Message-ID: <2a6b4d25-e963-4019-857e-28eaba53a69a@suse.com> Date: Tue, 11 Nov 2025 10:16:09 +0100 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [BUG] Edifier QR30 (2d99:a101, Jieli Technology) reboots itself when RGB brightness button is used under Linux To: Terry Junge , The-Luga , Alan Stern Cc: Dmitry Torokhov , Michal Pecio , Terry Junge , linux-sound@vger.kernel.org, linux-usb@vger.kernel.org, linux-input@vger.kernel.org, Jiri Kosina , Benjamin Tissoires References: <25f2419a-ee91-41eb-9446-87d238b4c7c4@rowland.harvard.edu> <6999b5b2-a242-432e-8100-5d8ee58bcae8@rowland.harvard.edu> <7adc816d-169d-4213-bb67-9d070af3c4a7@cosmicgizmosystems.com> <30528153-95f1-4ec7-a6bf-5da396441f86@rowland.harvard.edu> <52fc4350-2930-44d3-b844-03f00806f142@cosmicgizmosystems.com> <1ac9d1dd-822a-487a-bd42-45c163dfbfe7@rowland.harvard.edu> Content-Language: en-US From: Oliver Neukum In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11.11.25 06:11, Terry Junge wrote: > Polling for input reports is handled by the hardware at the interval > requested by the device during enumeration. There is no intervention by > the kernel to poll for an input report. The only way the kernel can stop > polling a device for input reports is to suspend it. > > So ALWAYS_POLL means never suspend. Hi, that is not exactly correct. ALWAYS_POLL, means that a) the device is always polled _while_ it is active b) if the device is suspended remote wakeup is always requested Regards Oliver