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drm/tinydrm: Convert tinydrm_enable/disable_backlight to backlight_enable/disable 

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

Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ec700724e47814e6426966e093bd32b2364ba147.1516810725.git.meghana.madhyastha@gmail.com
This commit is contained in:
Meghana Madhyastha 2018-01-24 16:34:48 +00:00 committed by Sean Paul
parent f5155876af
commit 414147e8a3
3 changed files with 2 additions and 59 deletions
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55
drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
View File

@ -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)
/**

4
drivers/gpu/drm/tinydrm/mipi-dbi.c
View File

@ -286,7 +286,7 @@ void mipi_dbi_enable_flush(struct mipi_dbi *mipi)
if (fb)
fb->funcs->dirty(fb, NULL, 0, 0, NULL, 0);
tinydrm_enable_backlight(mipi->backlight);
backlight_enable(mipi->backlight);
}
EXPORT_SYMBOL(mipi_dbi_enable_flush);
@ -325,7 +325,7 @@ 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);

2
include/drm/tinydrm/tinydrm-helpers.h
View File

@ -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);