From ab0108d4e12b9bab0d3ead31fcdd4c58b5ad79c1 Mon Sep 17 00:00:00 2001 From: Minecrell Date: Wed, 6 Jan 2021 12:46:06 +0100 Subject: [PATCH 49/78] drm/panel: motorola-harpia-tianma: Swab brightness value Seems like this panel expects the brightness value to be big endian instead of the little endian used by mipi_dsi_dcs_set_display_brightness(). --- .../drm/panel/msm8916-generated/panel-motorola-harpia-tianma.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/msm8916-generated/panel-motorola-harpia-tianma.c b/drivers/gpu/drm/panel/msm8916-generated/panel-motorola-harpia-tianma.c index 785488885..6d63cf3ae 100644 --- a/drivers/gpu/drm/panel/msm8916-generated/panel-motorola-harpia-tianma.c +++ b/drivers/gpu/drm/panel/msm8916-generated/panel-motorola-harpia-tianma.c @@ -205,7 +205,8 @@ static int tianma_499_v2_bl_update_status(struct backlight_device *bl) dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; - ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness); + // This panel needs the high and low bytes swapped for the brightness value + ret = mipi_dsi_dcs_set_display_brightness(dsi, swab16(brightness)); if (ret < 0) return ret; -- 2.31.1