From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752835AbdKVCst (ORCPT ); Tue, 21 Nov 2017 21:48:49 -0500 Received: from shadbolt.e.decadent.org.uk ([88.96.1.126]:56662 "EHLO shadbolt.e.decadent.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751781AbdKVCUW (ORCPT ); Tue, 21 Nov 2017 21:20:22 -0500 Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit MIME-Version: 1.0 From: Ben Hutchings To: linux-kernel@vger.kernel.org, stable@vger.kernel.org CC: akpm@linux-foundation.org, "Lorenzo Bianconi" , "Jonathan Cameron" , "Lorenzo Bianconi" Date: Wed, 22 Nov 2017 01:58:12 +0000 Message-ID: X-Mailer: LinuxStableQueue (scripts by bwh) Subject: [PATCH 3.16 003/133] iio: magnetometer: st_magn_core: enable multiread by default for LIS3MDL In-Reply-To: X-SA-Exim-Connect-IP: 2a02:8011:400e:2:6f00:88c8:c921:d332 X-SA-Exim-Mail-From: ben@decadent.org.uk X-SA-Exim-Scanned: No (on shadbolt.decadent.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.16.51-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Lorenzo Bianconi commit 13718564167da80b6169809185b4c5a32497d0c1 upstream. Enable multiread by default for LIS3MDL since using I2C interface the subaddr Msb is used to automatically increase the slave address during multiple data read/write. In the same way, using SPI interface, bit 1 in register address is used to enable auto-increment of the slave address in multiple read/write. Fixes: 872e79add756 (iio:magn: Add STMicroelectronics magn driver) Signed-off-by: Lorenzo Bianconi Signed-off-by: Jonathan Cameron [bwh: Backported to 3.16: Update the macro used to fill in this field] Signed-off-by: Ben Hutchings --- drivers/iio/magnetometer/st_magn_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -112,7 +112,7 @@ #define ST_MAGN_2_FS_AVL_8000_GAIN 292 #define ST_MAGN_2_FS_AVL_12000_GAIN 438 #define ST_MAGN_2_FS_AVL_16000_GAIN 584 -#define ST_MAGN_2_MULTIREAD_BIT false +#define ST_MAGN_2_MULTIREAD_BIT true #define ST_MAGN_2_OUT_X_L_ADDR 0x28 #define ST_MAGN_2_OUT_Y_L_ADDR 0x2a #define ST_MAGN_2_OUT_Z_L_ADDR 0x2c