From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.molgen.mpg.de (mx3.molgen.mpg.de [141.14.17.11]) (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 25D3947F47; Wed, 20 Dec 2023 16:11:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=molgen.mpg.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=molgen.mpg.de Received: from abreu.molgen.mpg.de (g40.guest.molgen.mpg.de [141.14.220.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: pmenzel) by mx.molgen.mpg.de (Postfix) with ESMTPSA id 235EB61E5FE35; Wed, 20 Dec 2023 17:10:16 +0100 (CET) From: Paul Menzel To: Jean Delvare , Andi Shyti Cc: =?UTF-8?q?Pali=20Roh=C3=A1r?= , Paul Menzel , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] =?UTF-8?q?i2c:=20i801:=20Add=200x29=20as=20I=C2=B2C?= =?UTF-8?q?=20address=20for=20lis3lv02d=20in=20Dell=20XPS=2015=207590?= Date: Wed, 20 Dec 2023 17:10:02 +0100 Message-ID: <20231220161003.68310-2-pmenzel@molgen.mpg.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231220161003.68310-1-pmenzel@molgen.mpg.de> References: <20231220161003.68310-1-pmenzel@molgen.mpg.de> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On the Dell XPS 15 7590/0VYV0G, BIOS 1.24.0 09/11/2023, Linux prints the warning below. i801_smbus 0000:00:1f.4: Accelerometer lis3lv02d is present on SMBus but its address is unknown, skipping registration Following the same suggestions by Wolfram Sang as for the Dell Precision 3540 [1], the accelerometer can be successfully found on I²C bus 2 at address 0x29. $ echo lis3lv02d 0x29 | sudo tee /sys/bus/i2c/devices/i2c-2/new_device lis3lv02d 0x29 $ dmesg | tail -5 [ 549.522876] lis3lv02d_i2c 2-0029: supply Vdd not found, using dummy regulator [ 549.522904] lis3lv02d_i2c 2-0029: supply Vdd_IO not found, using dummy regulator [ 549.542486] lis3lv02d: 8 bits 3DC sensor found [ 549.630022] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input35 [ 549.630586] i2c i2c-2: new_device: Instantiated device lis3lv02d at 0x29 So, the device has that accelerometer. Add the I²C address to the mapping list, and test it successfully on the device. [1]: https://lore.kernel.org/linux-i2c/97708c11-ac85-fb62-2c8e-d37739ca826f@molgen.mpg.de/ Signed-off-by: Paul Menzel --- drivers/i2c/busses/i2c-i801.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index cb9660f84117..3932e8d96a17 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1233,6 +1233,7 @@ static const struct { { "Precision 3540", 0x29 }, { "Vostro V131", 0x1d }, { "Vostro 5568", 0x29 }, + { "XPS 15 7590", 0x29 }, }; static void register_dell_lis3lv02d_i2c_device(struct i801_priv *priv) -- 2.43.0