Searched +full:bled +full:- +full:exponential +full:- +full:mode +full:- +full:enable (Results 1 – 2 of 2) sorted by relevance
| /linux/Documentation/devicetree/bindings/leds/backlight/ |
| H A D | mediatek,mt6370-backlight.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/mediatek,mt6370-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiaEn Wu <chiaen_wu@richtek.com>
17 16384 current steps (14 bits, only for MT6372) in exponential or linear
21 - $ref: common.yaml#
26 - mediatek,mt6370-backlight
27 - mediatek,mt6372-backlight
29 default-brightness:
[all …]
|
| /linux/drivers/video/backlight/ |
| H A D | mt6370-backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
82 brightness_val[0] = (brightness - 1) & priv->dim2_mask; in mt6370_bl_update_status()
83 brightness_val[1] = (brightness - 1) >> priv->dim2_shift; in mt6370_bl_update_status()
85 ret = regmap_raw_write(priv->regmap, MT6370_REG_BL_DIM2, in mt6370_bl_update_status()
91 gpiod_set_value(priv->enable_gpio, !!brightness); in mt6370_bl_update_status()
94 return regmap_update_bits(priv->regmap, MT6370_REG_BL_EN, in mt6370_bl_update_status()
101 unsigned int enable; in mt6370_bl_get_brightness() local
105 ret = regmap_read(priv->regmap, MT6370_REG_BL_EN, &enable); in mt6370_bl_get_brightness()
109 if (!(enable & MT6370_BL_EN_MASK)) in mt6370_bl_get_brightness()
112 ret = regmap_raw_read(priv->regmap, MT6370_REG_BL_DIM2, in mt6370_bl_get_brightness()
[all …]
|