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[v2,25/28] HID: picoLCD: Replace check_fb in favor of struct fb_info.lcd_dev

Message ID 20240906075439.98476-26-tzimmermann@suse.de (mailing list archive)
State New, archived
Headers show
Series backlight: lcd: Remove fbdev dependencies | expand

Commit Message

Thomas Zimmermann Sept. 6, 2024, 7:52 a.m. UTC 
Store the lcd device in struct fb_info.lcd_dev. The lcd subsystem can
now detect the lcd's fbdev device from this field.

This makes the implementation of check_fb in picolcd_lcdops obsolete.
Remove it.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Jiri Kosina <jkosina@suse.com>
---
 drivers/hid/hid-picolcd_fb.c  | 4 ++++
 drivers/hid/hid-picolcd_lcd.c | 6 ------
 2 files changed, 4 insertions(+), 6 deletions(-)
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Patch

diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
index 83e3409d170c..22188acfcbb0 100644
--- a/drivers/hid/hid-picolcd_fb.c
+++ b/drivers/hid/hid-picolcd_fb.c
@@ -497,6 +497,10 @@  int picolcd_init_framebuffer(struct picolcd_data *data)
 #endif
 #endif
 
+#ifdef CONFIG_HID_PICOLCD_LCD
+	info->lcd_dev = data->lcd;
+#endif
+
 	fbdata = info->par;
 	spin_lock_init(&fbdata->lock);
 	fbdata->picolcd = data;
diff --git a/drivers/hid/hid-picolcd_lcd.c b/drivers/hid/hid-picolcd_lcd.c
index 061a33ba7b1d..318f19eac0e7 100644
--- a/drivers/hid/hid-picolcd_lcd.c
+++ b/drivers/hid/hid-picolcd_lcd.c
@@ -41,15 +41,9 @@  static int picolcd_set_contrast(struct lcd_device *ldev, int contrast)
 	return 0;
 }
 
-static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb)
-{
-	return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev));
-}
-
 static const struct lcd_ops picolcd_lcdops = {
 	.get_contrast   = picolcd_get_contrast,
 	.set_contrast   = picolcd_set_contrast,
-	.check_fb       = picolcd_check_lcd_fb,
 };
 
 int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report)