From 9af60bb7955a8bba0710798d1dcf2a4d2c2aae6b Mon Sep 17 00:00:00 2001 From: Gwendal Grignou Date: Wed, 22 Feb 2017 13:00:15 -0800 Subject: [PATCH] driver: kionix: Forgive i2c read failures while the acc is resetting Port changes cl/288874 to generic kionix driver. From cl/288874: After we write SRST in CTRL2, there seems to be a period of time where the accelerometer doesn't respond to i2c commmands. Instead of failing the init just consider it as part of the timeout period. BUG=chrome-os-partner:39269,chrome-os-partner:63146 TEST=make -j buildall BRANCH=veyron,cave Reviewed-on: https://chromium-review.googlesource.com/445973 Reviewed-by: Aseda Aboagye (cherry picked from commit 4a34b0d88f6b0075ee66a18f4aa22325dc766eb6) Change-Id: I2197aa7741d1482b76c7c07b0cb0c171aab86a59 Signed-off-by: Gwendal Grignou Reviewed-on: https://chromium-review.googlesource.com/446417 --- driver/accel_kionix.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/driver/accel_kionix.c b/driver/accel_kionix.c index 980ccbe81a..de03120404 100644 --- a/driver/accel_kionix.c +++ b/driver/accel_kionix.c @@ -501,11 +501,6 @@ static int init(const struct motion_sensor_t *s) msleep(1); ret = raw_read8(s->port, s->addr, reg, &val); - if (ret != EC_SUCCESS) { - mutex_unlock(s->mutex); - return ret; - } - /* Reset complete. */ if ((ret == EC_SUCCESS) && !(val & reset_field)) break;