diff options
Diffstat (limited to 'include/linux/platform_data/lp855x.h')
| -rw-r--r-- | include/linux/platform_data/lp855x.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/include/linux/platform_data/lp855x.h b/include/linux/platform_data/lp855x.h index 761f31752367..20ee8b221dbd 100644 --- a/include/linux/platform_data/lp855x.h +++ b/include/linux/platform_data/lp855x.h @@ -49,12 +49,24 @@ #define LP8556_FAST_CONFIG BIT(7) /* use it if EPROMs should be maintained when exiting the low power mode */ +/* CONFIG register - LP8557 */ +#define LP8557_PWM_STANDBY BIT(7) +#define LP8557_PWM_FILTER BIT(6) +#define LP8557_RELOAD_EPROM BIT(3) /* use it if EPROMs should be reset + when the backlight turns on */ +#define LP8557_OFF_OPENLEDS BIT(2) +#define LP8557_PWM_CONFIG LP8557_PWM_ONLY +#define LP8557_I2C_CONFIG LP8557_I2C_ONLY +#define LP8557_COMB1_CONFIG LP8557_COMBINED1 +#define LP8557_COMB2_CONFIG LP8557_COMBINED2 + enum lp855x_chip_id { LP8550, LP8551, LP8552, LP8553, LP8556, + LP8557, }; enum lp855x_brightness_ctrl_mode { @@ -89,9 +101,11 @@ enum lp8556_brightness_source { LP8556_COMBINED2, /* pwm + i2c after the shaper block */ }; -struct lp855x_pwm_data { - void (*pwm_set_intensity) (int brightness, int max_brightness); - int (*pwm_get_intensity) (int max_brightness); +enum lp8557_brightness_source { + LP8557_PWM_ONLY, + LP8557_I2C_ONLY, + LP8557_COMBINED1, /* pwm + i2c after the shaper block */ + LP8557_COMBINED2, /* pwm + i2c before the shaper block */ }; struct lp855x_rom_data { @@ -105,7 +119,7 @@ struct lp855x_rom_data { * @mode : brightness control by pwm or lp855x register * @device_control : value of DEVICE CONTROL register * @initial_brightness : initial value of backlight brightness - * @pwm_data : platform specific pwm generation functions. + * @period_ns : platform specific pwm period value. unit is nano. Only valid when mode is PWM_BASED. * @load_new_rom_data : 0 : use default configuration data @@ -118,7 +132,7 @@ struct lp855x_platform_data { enum lp855x_brightness_ctrl_mode mode; u8 device_control; int initial_brightness; - struct lp855x_pwm_data pwm_data; + unsigned int period_ns; u8 load_new_rom_data; int size_program; struct lp855x_rom_data *rom_data; |