lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 4 Mar 2019 15:05:55 +0800 From: "Chen, Hu" <hu1.chen@...el.com> To: unlisted-recipients:; (no To-header on input) Cc: hu1.chen@...el.com, bo.he@...el.com, he@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>, Hartmut Knaack <knaack.h@....de>, Lars-Peter Clausen <lars@...afoo.de>, Peter Meerwald-Stadler <pmeerw@...erw.net>, Hans de Goede <hdegoede@...hat.com>, Stephan Gerhold <stephan@...hold.net>, linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v2] io: accel: kxcjk1013: restore the range after resume. From: "he, bo" <bo.he@...el.com> On some laptops, kxcjk1013 is powered off when system enters S3. We need restore the range regiter during resume. Otherwise, the sensor doesn't work properly after S3. Signed-off-by: he, bo <bo.he@...el.com> Signed-off-by: Chen, Hu <hu1.chen@...el.com> --- Changes in v2: - Handle return value independently in resume callback. drivers/iio/accel/kxcjk-1013.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 7096e577b23f..17837e26bcf2 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1437,6 +1437,11 @@ static int kxcjk1013_resume(struct device *dev) mutex_lock(&data->mutex); ret = kxcjk1013_set_mode(data, OPERATION); + if (ret < 0) { + mutex_unlock(&data->mutex); + return ret; + } + ret = kxcjk1013_set_range(data, data->range); mutex_unlock(&data->mutex); return ret; -- 2.20.1
Powered by blists - more mailing lists