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Thu, 27 Aug 2026 03:58:36 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:d96d:bc4e:98d7:146f]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-141a8f20036sm27269939c88.5.2026.08.27.03.58.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Aug 2026 03:58:36 -0700 (PDT) Date: Thu, 27 Aug 2026 03:58:33 -0700 From: Dmitry Torokhov To: Maurizio Casciano Cc: linux-input@vger.kernel.org, Liam Girdwood , Mark Brown , David Heidelberg , linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] Input: drv260x: Map ACPI enable GPIO Message-ID: References: <20260826132211.3341936-1-mauriziocasciano7@gmail.com> <20260826132211.3341936-3-mauriziocasciano7@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260826132211.3341936-3-mauriziocasciano7@gmail.com> Hi Maurizio, On Wed, Aug 26, 2026 at 03:22:11PM +0200, Maurizio Casciano wrote: > Some ACPI DRV2604 devices describe the enable line as the first GPIO > resource in _CRS but provide no _DSD mapping for its function. The GPIO > consumer lookup then returns no descriptor, leaving Yoga Book haptics > unable to complete calibration. > > Add a managed ACPI GPIO mapping before requesting the optional enable > line so these devices can power their haptic path. I would prefer to avoid encoding board behaviors in a generic driver. Can we try using a software node to provide GPIO mapping for the device? Maybe in drivers/platform/x86/lenovo/yogabook.c? Thanks. -- Dmitry