Attach the connector LUMINANCE property for ST7735R displays and retain the legacy backlight class interface only when DRM_LUMINANCE is disabled.
Signed-off-by: Mario Limonciello <[email protected]> --- drivers/gpu/drm/sitronix/Kconfig | 2 +- drivers/gpu/drm/sitronix/st7735r.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sitronix/Kconfig b/drivers/gpu/drm/sitronix/Kconfig index 41a428ef8295e..027fbddf4593b 100644 --- a/drivers/gpu/drm/sitronix/Kconfig +++ b/drivers/gpu/drm/sitronix/Kconfig @@ -59,7 +59,7 @@ config DRM_ST7735R select DRM_KMS_HELPER select DRM_GEM_DMA_HELPER select DRM_MIPI_DBI - select BACKLIGHT_CLASS_DEVICE + select BACKLIGHT_CLASS_DEVICE if !DRM_LUMINANCE help DRM driver for Sitronix ST7715R/ST7735R with one of the following LCDs: diff --git a/drivers/gpu/drm/sitronix/st7735r.c b/drivers/gpu/drm/sitronix/st7735r.c index bd763871dca0c..105d994c07ab6 100644 --- a/drivers/gpu/drm/sitronix/st7735r.c +++ b/drivers/gpu/drm/sitronix/st7735r.c @@ -330,6 +330,9 @@ static int st7735r_probe(struct spi_device *spi) if (ret) return ret; drm_connector_helper_add(connector, &st7735r_connector_helper_funcs); + ret = drm_mipi_dbi_connector_attach_luminance_property(connector); + if (ret) + return ret; ret = drm_connector_attach_encoder(connector, encoder); if (ret) -- 2.43.0
