[PATCH v16 02/10] drm/tinydrm: Convert tinydrm_enable/disable_backlight to backlight_enable/disable

[Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx>]

Remove tinydrm_enable/disable_backlight and let the callers call the
more generic backlight_enable/disable helpers

Signed-off-by: Meghana Madhyastha <meghana.madhyastha@xxxxxxxxx>
---
 drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c | 55 --------------------------
 drivers/gpu/drm/tinydrm/mipi-dbi.c             |  4 +-
 include/drm/tinydrm/tinydrm-helpers.h          |  2 -
 3 files changed, 2 insertions(+), 59 deletions(-)

diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
index bf96072d1..7326e1758 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
@@ -276,61 +276,6 @@ struct backlight_device *tinydrm_of_find_backlight(struct device *dev)
 }
 EXPORT_SYMBOL(tinydrm_of_find_backlight);
 
-/**
- * tinydrm_enable_backlight - Enable backlight helper
- * @backlight: Backlight device
- *
- * Returns:
- * Zero on success, negative error code on failure.
- */
-int tinydrm_enable_backlight(struct backlight_device *backlight)
-{
-	unsigned int old_state;
-	int ret;
-
-	if (!backlight)
-		return 0;
-
-	old_state = backlight->props.state;
-	backlight->props.state &= ~BL_CORE_FBBLANK;
-	DRM_DEBUG_KMS("Backlight state: 0x%x -> 0x%x\n", old_state,
-		      backlight->props.state);
-
-	ret = backlight_update_status(backlight);
-	if (ret)
-		DRM_ERROR("Failed to enable backlight %d\n", ret);
-
-	return ret;
-}
-EXPORT_SYMBOL(tinydrm_enable_backlight);
-
-/**
- * tinydrm_disable_backlight - Disable backlight helper
- * @backlight: Backlight device
- *
- * Returns:
- * Zero on success, negative error code on failure.
- */
-int tinydrm_disable_backlight(struct backlight_device *backlight)
-{
-	unsigned int old_state;
-	int ret;
-
-	if (!backlight)
-		return 0;
-
-	old_state = backlight->props.state;
-	backlight->props.state |= BL_CORE_FBBLANK;
-	DRM_DEBUG_KMS("Backlight state: 0x%x -> 0x%x\n", old_state,
-		      backlight->props.state);
-	ret = backlight_update_status(backlight);
-	if (ret)
-		DRM_ERROR("Failed to disable backlight %d\n", ret);
-
-	return ret;
-}
-EXPORT_SYMBOL(tinydrm_disable_backlight);
-
 #if IS_ENABLED(CONFIG_SPI)
 
 /**
diff --git a/drivers/gpu/drm/tinydrm/mipi-dbi.c b/drivers/gpu/drm/tinydrm/mipi-dbi.c
index aa6b6ce56..8c2cb1cf2 100644
--- a/drivers/gpu/drm/tinydrm/mipi-dbi.c
+++ b/drivers/gpu/drm/tinydrm/mipi-dbi.c
@@ -291,7 +291,7 @@ void mipi_dbi_pipe_enable(struct drm_simple_display_pipe *pipe,
 	if (fb)
 		fb->funcs->dirty(fb, NULL, 0, 0, NULL, 0);
 
-	tinydrm_enable_backlight(mipi->backlight);
+	backlight_enable(mipi->backlight);
 }
 EXPORT_SYMBOL(mipi_dbi_pipe_enable);
 
@@ -330,7 +330,7 @@ void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe)
 	mipi->enabled = false;
 
 	if (mipi->backlight)
-		tinydrm_disable_backlight(mipi->backlight);
+		backlight_disable(mipi->backlight);
 	else
 		mipi_dbi_blank(mipi);
 }
diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
index d554ded60..f54fae03e 100644
--- a/include/drm/tinydrm/tinydrm-helpers.h
+++ b/include/drm/tinydrm/tinydrm-helpers.h
@@ -47,8 +47,6 @@ void tinydrm_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
 			       struct drm_clip_rect *clip);
 
 struct backlight_device *tinydrm_of_find_backlight(struct device *dev);
-int tinydrm_enable_backlight(struct backlight_device *backlight);
-int tinydrm_disable_backlight(struct backlight_device *backlight);
 
 size_t tinydrm_spi_max_transfer_size(struct spi_device *spi, size_t max_len);
 bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw);
-- 
2.11.0

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