zephyr/lib/gui/lvgl/lvgl_display.c
Tomasz Bursztyka e18fcbba5a device: Const-ify all device driver instance pointers
Now that device_api attribute is unmodified at runtime, as well as all
the other attributes, it is possible to switch all device driver
instance to be constant.

A coccinelle rule is used for this:

@r_const_dev_1
  disable optional_qualifier
@
@@
-struct device *
+const struct device *

@r_const_dev_2
 disable optional_qualifier
@
@@
-struct device * const
+const struct device *

Fixes #27399

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2020-09-02 13:48:13 +02:00

58 lines
1.4 KiB
C

/*
* Copyright (c) 2019 Jan Van Winkel <jan.van_winkel@dxplore.eu>
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "lvgl_display.h"
int set_lvgl_rendering_cb(lv_disp_drv_t *disp_drv)
{
int err = 0;
const struct device *display_dev = (const struct device *)disp_drv->user_data;
struct display_capabilities cap;
display_get_capabilities(display_dev, &cap);
switch (cap.current_pixel_format) {
case PIXEL_FORMAT_ARGB_8888:
disp_drv->flush_cb = lvgl_flush_cb_32bit;
disp_drv->rounder_cb = NULL;
#ifdef CONFIG_LVGL_COLOR_DEPTH_32
disp_drv->set_px_cb = NULL;
#else
disp_drv->set_px_cb = lvgl_set_px_cb_32bit;
#endif
break;
case PIXEL_FORMAT_RGB_888:
disp_drv->flush_cb = lvgl_flush_cb_24bit;
disp_drv->rounder_cb = NULL;
disp_drv->set_px_cb = lvgl_set_px_cb_24bit;
break;
case PIXEL_FORMAT_RGB_565:
case PIXEL_FORMAT_BGR_565:
disp_drv->flush_cb = lvgl_flush_cb_16bit;
disp_drv->rounder_cb = NULL;
#ifdef CONFIG_LVGL_COLOR_DEPTH_16
disp_drv->set_px_cb = NULL;
#else
disp_drv->set_px_cb = lvgl_set_px_cb_16bit;
#endif
break;
case PIXEL_FORMAT_MONO01:
case PIXEL_FORMAT_MONO10:
disp_drv->flush_cb = lvgl_flush_cb_mono;
disp_drv->rounder_cb = lvgl_rounder_cb_mono;
disp_drv->set_px_cb = lvgl_set_px_cb_mono;
break;
default:
disp_drv->flush_cb = NULL;
disp_drv->rounder_cb = NULL;
disp_drv->set_px_cb = NULL;
err = -ENOTSUP;
break;
}
return err;
}