diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-orisetech-otm8009a.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-orisetech-otm8009a.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index 0fd2e0144d2b..de4a16d5275c 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -330,13 +330,6 @@ static int otm8009a_prepare(struct drm_panel *panel) ctx->prepared = true; - /* - * Power on the backlight. Note: end-user still controls brightness - * Note: ctx->prepared must be true before updating the backlight. - */ - ctx->bl_dev->props.power = FB_BLANK_UNBLANK; - backlight_update_status(ctx->bl_dev); - return 0; } @@ -344,6 +337,16 @@ static int otm8009a_enable(struct drm_panel *panel) { struct otm8009a *ctx = panel_to_otm8009a(panel); + if (ctx->enabled) + return 0; + + /* + * Power on the backlight. Note: end-user still controls brightness + * Note: ctx->prepared must be true before updating the backlight. + */ + ctx->bl_dev->props.power = FB_BLANK_UNBLANK; + backlight_update_status(ctx->bl_dev); + ctx->enabled = true; return 0; |