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none X-Spamd-Result: default: False [-6.10 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com,gmx.de]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; REPLY(-4.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLbrmj4aennmrpd7btm9n9zy3k)]; RCVD_COUNT_THREE(0.00)[3]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCPT_COUNT_TWELVE(0.00)[13]; MID_CONTAINS_FROM(1.00)[]; FREEMAIL_TO(0.00)[kernel.org,linaro.org,gmail.com,gmx.de,protonic.nl,redhat.com]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_ALL(0.00)[]; BAYES_HAM(-3.00)[100.00%] X-Spam-Level: X-Spam-Flag: NO X-Spam-Score: -6.10 Update the driver to initialize struct fb_info.bl_dev to its backlight device, if any. Thus rely on the backlight core code to match backlight and framebuffer devices, and remove the extra check_fb function from struct backlight_ops. v2: * protect against CONFIG_FB_BACKLIGHT (Javier, kernel test robot) * reword commit message (Daniel) Signed-off-by: Thomas Zimmermann Cc: "Bruno Prémont" Reviewed-by: Javier Martinez Canillas --- drivers/hid/hid-picolcd_backlight.c | 7 ------- drivers/hid/hid-picolcd_fb.c | 6 ++++++ 2 files changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/hid/hid-picolcd_backlight.c b/drivers/hid/hid-picolcd_backlight.c index 5bd2a8c4bbd66..08d16917eb60b 100644 --- a/drivers/hid/hid-picolcd_backlight.c +++ b/drivers/hid/hid-picolcd_backlight.c @@ -9,7 +9,6 @@ #include -#include #include #include "hid-picolcd.h" @@ -39,15 +38,9 @@ static int picolcd_set_brightness(struct backlight_device *bdev) return 0; } -static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb) -{ - return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev)); -} - static const struct backlight_ops picolcd_blops = { .update_status = picolcd_set_brightness, .get_brightness = picolcd_get_brightness, - .check_fb = picolcd_check_bl_fb, }; int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report) diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c index d7dddd99d325e..750206f5fc674 100644 --- a/drivers/hid/hid-picolcd_fb.c +++ b/drivers/hid/hid-picolcd_fb.c @@ -493,6 +493,12 @@ int picolcd_init_framebuffer(struct picolcd_data *data) info->fix = picolcdfb_fix; info->fix.smem_len = PICOLCDFB_SIZE*8; +#ifdef CONFIG_FB_BACKLIGHT +#ifdef CONFIG_HID_PICOLCD_BACKLIGHT + info->bl_dev = data->backlight; +#endif +#endif + fbdata = info->par; spin_lock_init(&fbdata->lock); fbdata->picolcd = data;