From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Denis CIOCCA , Linus Walleij , Jonathan Cameron Subject: [PATCH 4.2 048/110] iio: st_accel: fix interrupt handling on LIS3LV02 Date: Fri, 6 Nov 2015 11:18:55 -0800 Message-Id: <20151106191705.756916314@linuxfoundation.org> In-Reply-To: <20151106191703.247930828@linuxfoundation.org> References: <20151106191703.247930828@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Linus Walleij commit 61fd56309165d4790f99462d893b099f0b07312a upstream. This accelerometer accidentally either emits a DRDY signal or an IRQ signal. Accidentally I activated the IRQ signal as I thought it was analogous to the interrupt generator on other ST accelerometers. This was wrong. After this patch generic_buffer gives a nice stream of accelerometer readings. Fixes: 3acddf74f807778f "iio: st-sensors: add support for lis3lv02d accelerometer" Cc: Denis CIOCCA Signed-off-by: Linus Walleij Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/accel/st_accel_core.c | 6 ------ 1 file changed, 6 deletions(-) --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -149,8 +149,6 @@ #define ST_ACCEL_4_BDU_MASK 0x40 #define ST_ACCEL_4_DRDY_IRQ_ADDR 0x21 #define ST_ACCEL_4_DRDY_IRQ_INT1_MASK 0x04 -#define ST_ACCEL_4_IG1_EN_ADDR 0x21 -#define ST_ACCEL_4_IG1_EN_MASK 0x08 #define ST_ACCEL_4_MULTIREAD_BIT true /* CUSTOM VALUES FOR SENSOR 5 */ @@ -484,10 +482,6 @@ static const struct st_sensor_settings s .drdy_irq = { .addr = ST_ACCEL_4_DRDY_IRQ_ADDR, .mask_int1 = ST_ACCEL_4_DRDY_IRQ_INT1_MASK, - .ig1 = { - .en_addr = ST_ACCEL_4_IG1_EN_ADDR, - .en_mask = ST_ACCEL_4_IG1_EN_MASK, - }, }, .multi_read_bit = ST_ACCEL_4_MULTIREAD_BIT, .bootime = 2, /* guess */