Messages in this thread Patch in this message | | | From | "He, Bo" <> | Subject | [PATCH] io: accel: kxcjk1013: restore the range after resume. | Date | Thu, 21 Feb 2019 03:13:44 +0000 |
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restore the range register in case kxcjk1013 power is off after suspend
we see the issue on some laptops, after system suspend and resume, the CTRL_REG1 register changed from 0xc8 to 0x80, so acceleration range is changed, the patch is to restore the acceleration range after resume.
Signed-off-by: he, bo <bo.he@intel.com> Signed-off-by: Chen, Hu <hu1.chen@intel.com> --- drivers/iio/accel/kxcjk-1013.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 7506bd9..c6bb3be 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1340,6 +1340,7 @@ static int kxcjk1013_resume(struct device *dev) mutex_lock(&data->mutex); ret = kxcjk1013_set_mode(data, OPERATION); + ret += kxcjk1013_set_range(data, data->range); mutex_unlock(&data->mutex); return ret; -- 2.7.4
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