Date: Wed, 25 May 2022 14:50:48 GMT From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e26ef41f7990 - main - backlight: Update cached value when getting the brightness Message-ID: <202205251450.24PEomVR088993@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=e26ef41f79902991c772b59927c721aa7fa5fc64 commit e26ef41f79902991c772b59927c721aa7fa5fc64 Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2022-05-25 14:48:10 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2022-05-25 14:50:25 +0000 backlight: Update cached value when getting the brightness External events can cause the backlight level to change (AC adapter plug/unplug for example) so cache the value there too. PR: 257796 Sponsored by: Beckhoff Automation GmbH & Co. KG MFC after: 1 week --- sys/dev/backlight/backlight.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/dev/backlight/backlight.c b/sys/dev/backlight/backlight.c index 19d273ae55d8..2d3fe02d33e9 100644 --- a/sys/dev/backlight/backlight.c +++ b/sys/dev/backlight/backlight.c @@ -73,8 +73,10 @@ backlight_ioctl(struct cdev *dev, u_long cmd, caddr_t data, /* Call the driver function so it fills up the props */ bcopy(data, &props, sizeof(struct backlight_props)); error = BACKLIGHT_GET_STATUS(sc->dev, &props); - if (error == 0) + if (error == 0) { bcopy(&props, data, sizeof(struct backlight_props)); + sc->cached_brightness = props.brightness; + } break; case BACKLIGHTUPDATESTATUS: bcopy(data, &props, sizeof(struct backlight_props));
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202205251450.24PEomVR088993>