Date: Wed, 1 Jun 2022 07:12:33 GMT From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: b203d3de6b1a - stable/13 - backlight: Update cached value when getting the brightness Message-ID: <202206010712.2517CXgJ056448@gitrepo.freebsd.org>
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The branch stable/13 has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=b203d3de6b1a7ab38f0a1e3d944a1c4887e31a9b commit b203d3de6b1a7ab38f0a1e3d944a1c4887e31a9b Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2022-05-25 14:48:10 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2022-06-01 07:12:18 +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 (cherry picked from commit e26ef41f79902991c772b59927c721aa7fa5fc64) --- 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));
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