altos: Add support for backlight control in ao_lco_bits

[fw/altos] / src / drivers / ao_lco.h

diff --git a/src/drivers/ao_lco.h b/src/drivers/ao_lco.h
index 50ed068acb2477040fc5630269b181c6db879a7a..42f4e6d845a2ad0a798f683e796f4211aa5a4045 100644 (file)
--- a/src/drivers/ao_lco.h
+++ b/src/drivers/ao_lco.h
@@ -51,10 +51,19 @@ extern struct ao_pad_query  ao_pad_query;   /* Last received QUERY from pad */
 #define AO_LCO_BOX_FIRST       AO_LCO_BOX_DRAG
 #else
 #define AO_LCO_LCO_VOLTAGE     0               /* Box number to show LCO voltage */
+# ifdef AO_LCO_HAS_BACKLIGHT
+#   define AO_LCO_BACKLIGHT    -2
+#   ifndef AO_LCO_BOX_FIRST
+#    define AO_LCO_BOX_FIRST AO_LCO_BACKLIGHT
+#   endif
+# endif
 # ifdef AO_LCO_HAS_CONTRAST
 #  define AO_LCO_CONTRAST      -1
-#  define AO_LCO_BOX_FIRST     AO_LCO_CONTRAST
-# else
+#  ifndef AO_LCO_BOX_FIRST
+#   define AO_LCO_BOX_FIRST    AO_LCO_CONTRAST
+#  endif
+# endif
+# ifndef AO_LCO_BOX_FIRST
 #  define AO_LCO_BOX_FIRST     AO_LCO_LCO_VOLTAGE
 # endif
 #endif
@@ -75,6 +84,10 @@ ao_lco_box_pseudo(int16_t box)
 #ifdef AO_LCO_CONTRAST
        case AO_LCO_CONTRAST:
                return true;
+#endif
+#ifdef AO_LCO_BACKLIGHT
+       case AO_LCO_BACKLIGHT:
+               return true;
 #endif
        default:
                return false;
@@ -182,12 +195,20 @@ ao_lco_box_present(int16_t box);
 
 #ifdef AO_LCO_HAS_CONTRAST
 void
-ao_lco_set_contrast(int16_t contrast);
+ao_lco_set_contrast(int32_t contrast);
 
-int16_t
+int32_t
 ao_lco_get_contrast(void);
 #endif
 
+#ifdef AO_LCO_HAS_BACKLIGHT
+void
+ao_lco_set_backlight(int32_t backlight);
+
+int32_t
+ao_lco_get_backlight(void);
+#endif
+
 #ifdef AO_LCO_SEARCH_API
 
 void