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-rw-r--r--firmware/export/lcd.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/firmware/export/lcd.h b/firmware/export/lcd.h
index 79231d198e..e6e19b1597 100644
--- a/firmware/export/lcd.h
+++ b/firmware/export/lcd.h
@@ -549,4 +549,14 @@ extern void lcd_bitmap_transparent(const fb_data *src, int x, int y,
#endif /* HAVE_LCD_BITMAP */
+
+#ifdef HAVE_TOUCHSCREEN
+/* only needed for touchscreen for now, feel free to implement it for others
+ * once needed
+ */
+
+/* returns the pixel density of the display */
+extern int lcd_get_dpi(void);
+#endif
+
#endif /* __LCD_H__ */