From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 101DC2D9EC7; Wed, 25 Jun 2025 18:13:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750875232; cv=none; b=kpns5b1YYGWXxM3gvg7123nvo99bX+vKNAaeiZUP2f4hPzuapUOje+qCabsJVF/SqqgV06F7NRO/Z5NEg2GPb8hGp80Mzw5cnzFJ/wxWcvTp8Ur5r7yHsOXA3zZBkh9TOO7gDtiIBie3vp/rjHntNIc4zmFDfuCX45Im1iz724c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750875232; c=relaxed/simple; bh=lksmwFiNMaOB0EB1yOrYNkbcqmcTRwmvkj9Sp2AXrWw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZGQj2WkjegpQNZ3mFSaIeSNLZwkAkD5yXDfoDxkc6NmFBkVuXjlQfHHyXtjO7YgV8Oe7cE1ppVSA2BqTFpg/qbv9ml8lTLU5JhCst/+3e4wsIRgIqD19JAdkpFF4zWgelHD8QLOeuWipM2c+IdmO1LWhUlhNTqnFPNTspgr2cqI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PwIc5LG2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PwIc5LG2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A86CC4CEEA; Wed, 25 Jun 2025 18:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750875231; bh=lksmwFiNMaOB0EB1yOrYNkbcqmcTRwmvkj9Sp2AXrWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PwIc5LG275lM9HXjvC3gfbsPDz8jwR15yC4lm2dhfKfen1qpGGafAuqZ0hsHkpZsc 7QtQe8T5k4J45msYv3AsAYcWpjJxbTYni80ZqJfpjNLSh9qMRIwd3XCgN9+KcHYHp4 PQVT6MdWKe8nNU4ZKjk1ICPBPkVfdpjsOl4qnftk2l2XFsCPdleIP4fc06c6uOlP2Y JKC68QCxTa/oqur2rGvhAQL2FLFGinbuknB8225sRWnZyNpZM0Ke6tHmW7Mk8pTi11 F3hu/VnmFFXWsXJyUW0JWltamOH9/X2BnHj3RVdEGi+zwMTDt3FoTHHd9nYfbbsTrK Fo0SjTeb7SciQ== From: Mario Limonciello To: Hans de Goede , Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , Dmitry Torokhov Cc: linux-gpio@vger.kernel.org (open list:GPIO ACPI SUPPORT), linux-acpi@vger.kernel.org (open list:GPIO ACPI SUPPORT), linux-kernel@vger.kernel.org (open list), linux-input@vger.kernel.org (open list:INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN)...), Mario Limonciello Subject: [PATCH v2 2/3] gpiolib: acpi: Program debounce when finding GPIO Date: Wed, 25 Jun 2025 13:13:41 -0500 Message-ID: <20250625181342.3175969-3-superm1@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250625181342.3175969-1-superm1@kernel.org> References: <20250625181342.3175969-1-superm1@kernel.org> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Mario Limonciello When soc-button-array looks up the GPIO to use it calls acpi_find_gpio() which will parse _CRS. acpi_find_gpio.cold (drivers/gpio/gpiolib-acpi-core.c:953) gpiod_find_and_request (drivers/gpio/gpiolib.c:4598 drivers/gpio/gpiolib.c:4625) gpiod_get_index (drivers/gpio/gpiolib.c:4877) The GPIO is setup basically, but the debounce information is discarded. The platform will assert what debounce should be in _CRS, so program it at the time it's available. Cc: Hans de Goede Signed-off-by: Mario Limonciello --- v2: * Make non fatal by using helper from patch 1 (Andy) --- drivers/gpio/gpiolib-acpi-core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpio/gpiolib-acpi-core.c b/drivers/gpio/gpiolib-acpi-core.c index 1895e45bd9f16..15222bfc25bb2 100644 --- a/drivers/gpio/gpiolib-acpi-core.c +++ b/drivers/gpio/gpiolib-acpi-core.c @@ -962,6 +962,7 @@ struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode, acpi_gpio_update_gpiod_flags(dflags, &info); acpi_gpio_update_gpiod_lookup_flags(lookupflags, &info); + acpi_set_debounce_timeout(desc, info.debounce); return desc; } -- 2.43.0