The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=b52e36384091c5f80b06b79f5889492eac074426
commit b52e36384091c5f80b06b79f5889492eac074426 Author: Vladimir Kondratyev <[email protected]> AuthorDate: 2021-09-29 20:15:12 +0000 Commit: Vladimir Kondratyev <[email protected]> CommitDate: 2021-09-29 20:15:12 +0000 LinuxKPI: Implement backlight_enable and backlight_disable functions For now, disable backlight if brightness level is set to 0. In the future we may implement separate knob in backlight(8). Required by drm-kmod v5.6 Reviewed by: hselasky, manu MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D32165 --- .../linuxkpi/common/include/linux/backlight.h | 22 ++++++++++++++++++++-- sys/compat/linuxkpi/common/src/linux_pci.c | 2 ++ 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/sys/compat/linuxkpi/common/include/linux/backlight.h b/sys/compat/linuxkpi/common/include/linux/backlight.h index 1d2224811124..b3a07c4cdcaa 100644 --- a/sys/compat/linuxkpi/common/include/linux/backlight.h +++ b/sys/compat/linuxkpi/common/include/linux/backlight.h @@ -79,10 +79,10 @@ void linux_backlight_device_unregister(struct backlight_device *bd); linux_backlight_device_register(name, dev, data, ops, props) #define backlight_device_unregister(bd) linux_backlight_device_unregister(bd) -static inline void +static inline int backlight_update_status(struct backlight_device *bd) { - bd->ops->update_status(bd); + return (bd->ops->update_status(bd)); } static inline void @@ -91,4 +91,22 @@ backlight_force_update(struct backlight_device *bd, int reason) bd->props.brightness = bd->ops->get_brightness(bd); } +static inline int +backlight_enable(struct backlight_device *bd) +{ + if (bd == NULL) + return (0); + bd->props.power = 0/* FB_BLANK_UNBLANK */; + return (backlight_update_status(bd)); +} + +static inline int +backlight_disable(struct backlight_device *bd) +{ + if (bd == NULL) + return (0); + bd->props.power = 4/* FB_BLANK_POWERDOWN */; + return (backlight_update_status(bd)); +} + #endif /* _LINUX_BACKLIGHT_H_ */ diff --git a/sys/compat/linuxkpi/common/src/linux_pci.c b/sys/compat/linuxkpi/common/src/linux_pci.c index 73c9b67bbedb..44ed4b22de6f 100644 --- a/sys/compat/linuxkpi/common/src/linux_pci.c +++ b/sys/compat/linuxkpi/common/src/linux_pci.c @@ -1215,6 +1215,8 @@ linux_backlight_update_status(device_t dev, struct backlight_props *props) pdev->dev.bd->props.brightness = pdev->dev.bd->props.max_brightness * props->brightness / 100; + pdev->dev.bd->props.power = props->brightness == 0 ? + 4/* FB_BLANK_POWERDOWN */ : 0/* FB_BLANK_UNBLANK */; return (pdev->dev.bd->ops->update_status(pdev->dev.bd)); } _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
