[PATCH 07/13] drm/dp: Change argument type for drm_edp_backlight_set_level

[Suraj Kandpal]

Use u32 for level variable as one may need to pass value for
DP_EDP_PANEL_TARGET_LUMINANCE_VALUE.

Signed-off-by: Suraj Kandpal <suraj.kand...@intel.com>
---
 drivers/gpu/drm/display/drm_dp_helper.c | 6 +++---
 include/drm/display/drm_dp_helper.h     | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/display/drm_dp_helper.c 
b/drivers/gpu/drm/display/drm_dp_helper.c
index bb1242a1bf6b..895ed4a22fc3 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -3933,7 +3933,7 @@ EXPORT_SYMBOL(drm_dp_pcon_convert_rgb_to_ycbcr);
  * Returns: %0 on success, negative error code on failure
  */
 int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct 
drm_edp_backlight_info *bl,
-                               u16 level)
+                               u32 level)
 {
        int ret;
        u8 buf[2] = { 0 };
@@ -4047,7 +4047,7 @@ int drm_edp_backlight_enable(struct drm_dp_aux *aux, 
const struct drm_edp_backli
                return ret < 0 ? ret : -EIO;
        }
 
-       ret = drm_edp_backlight_set_level(aux, bl, level);
+       ret = drm_edp_backlight_set_level(aux, bl, (u32)level);
        if (ret < 0)
                return ret;
        ret = drm_edp_backlight_set_enable(aux, bl, true);
@@ -4327,7 +4327,7 @@ static int dp_aux_backlight_update_status(struct 
backlight_device *bd)
                        bl->enabled = true;
                        return 0;
                }
-               ret = drm_edp_backlight_set_level(bl->aux, &bl->info, 
brightness);
+               ret = drm_edp_backlight_set_level(bl->aux, &bl->info, 
(u32)brightness);
        } else {
                if (bl->enabled) {
                        drm_edp_backlight_disable(bl->aux, &bl->info);
diff --git a/include/drm/display/drm_dp_helper.h 
b/include/drm/display/drm_dp_helper.h
index 62be80417ded..6bce0176efd3 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -853,7 +853,7 @@ drm_edp_backlight_init(struct drm_dp_aux *aux, struct 
drm_edp_backlight_info *bl
                       u16 driver_pwm_freq_hz, const u8 
edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE],
                       u32 *current_level, u8 *current_mode, bool 
need_luminance);
 int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct 
drm_edp_backlight_info *bl,
-                               u16 level);
+                               u32 level);
 int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct 
drm_edp_backlight_info *bl,
                             u16 level);
 int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct 
drm_edp_backlight_info *bl);
-- 
2.34.1