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[81.224.151.184]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c25d008a7dbsm14602366b.27.2026.09.01.12.29.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Sep 2026 12:29:04 -0700 (PDT) Message-ID: <5eca65ce-d1f5-426b-8148-30ae151a369e@gmail.com> Date: Tue, 1 Sep 2026 21:29:02 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] HID: logitech-dj: forward Bolt receiver input to the dj child device To: greyxor@protonmail.com, =?UTF-8?Q?Filipe_La=C3=ADns?= , Jiri Kosina , Benjamin Tissoires Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?B?S2F0ZcWZaW5hIE1lZHbEm2RvdsOh?= References: <20260901-bolt-scroll-fix-v1-1-58bca7ae487f@protonmail.com> Content-Language: en-US From: =?UTF-8?Q?Erik_H=C3=A5kansson?= In-Reply-To: <20260901-bolt-scroll-fix-v1-1-58bca7ae487f@protonmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi! > Interface 0 is the keyboard endpoint, interface 1 the mouse endpoint and > interface 2 carries DJ/HID++, which is the same layout as the other > HID++ receivers. Set no_dj_interfaces to 3 and drop the special case, so > interfaces 0 and 1 are claimed by the dj driver and their reports get > forwarded to the child, where the multiplier is applied. Thanks for finding this! I can confirm that my MX Keys Business work fine after your patch. However, your patch basically reverts to what I had in v1 of my patch. The reason for the change was that Katerina Medvedova reported that without the special treatment for Bolt, her mouse became very sensitive, including phantom scrolls, and her keypresses were scrambled. > Bolt support was tested with a keyboard, and a keyboard has no wheel > multiplier to get wrong, which is probably why this was missed. Katerina, you tested with a mouse and two different keyboards, I believe? Can you perhaps test again with this patch to see if your issues remain or if there was something else that caused it. Best regards, Erik Håkansson