scottk/OpenCellular
1
0
Fork 0
mirror of https://github.com/Telecominfraproject/OpenCellular.git synced 2026-01-10 09:31:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

driver: kionix: Forgive i2c read failures while the acc is resetting

Browse Source 
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 <aaboagye@chromium.org>
(cherry picked from commit 4a34b0d88f6b0075ee66a18f4aa22325dc766eb6)
Change-Id: I2197aa7741d1482b76c7c07b0cb0c171aab86a59
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/446417
This commit is contained in:
Gwendal Grignou
2017-02-22 13:00:15 -08:00
committed by chrome-bot
parent eb85cc2101
commit 9af60bb795
1 changed files with 0 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
driver/accel_kionix.c
View File

@@ -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;