Use the new backlight api.
Signed-off-by: Philippe Cornu philippe.cornu@st.com --- drivers/gpu/drm/panel/panel-orisetech-otm8009a.c | 26 ++++++++---------------- 1 file changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index 4c638b7b9943..c2a71bd17e08 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -260,11 +260,7 @@ static int otm8009a_disable(struct drm_panel *panel) if (!ctx->enabled) return 0; /* This is not an issue so we return 0 here */
- /* Power off the backlight. Note: end-user still controls brightness */ - ctx->bl_dev->props.power = FB_BLANK_POWERDOWN; - ret = backlight_update_status(ctx->bl_dev); - if (ret) - return ret; + backlight_disable(ctx->bl_dev);
ret = mipi_dsi_dcs_set_display_off(dsi); if (ret) @@ -338,12 +334,7 @@ static int otm8009a_enable(struct drm_panel *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); + backlight_enable(ctx->bl_dev);
ctx->enabled = true;
@@ -459,11 +450,14 @@ static int otm8009a_probe(struct mipi_dsi_device *dsi) ctx->panel.dev = dev; ctx->panel.funcs = &otm8009a_drm_funcs;
- ctx->bl_dev = backlight_device_register(dev_name(dev), dev, ctx, - &otm8009a_backlight_ops, NULL); + ctx->bl_dev = devm_backlight_device_register(dev, dev_name(dev), + dsi->host->dev, ctx, + &otm8009a_backlight_ops, + NULL); if (IS_ERR(ctx->bl_dev)) { - dev_err(dev, "failed to register backlight device\n"); - return PTR_ERR(ctx->bl_dev); + ret = PTR_ERR(ctx->bl_dev); + dev_err(dev, "failed to register backlight %d\n", ret); + return ret; }
ctx->bl_dev->props.max_brightness = OTM8009A_BACKLIGHT_MAX; @@ -491,8 +485,6 @@ static int otm8009a_remove(struct mipi_dsi_device *dsi) mipi_dsi_detach(dsi); drm_panel_remove(&ctx->panel);
- backlight_device_unregister(ctx->bl_dev); - return 0; }