* SSD1325 grayscale support implemented
* Linted
* Fix garbage on display at power-up
* Rebase
* Linted
* Add brightness control, CS fixes
* Fix up SSD1327 init
* Add turn_on() and turn_off() methods
* Set brightness later in setup(), logging tweak
* Added is_on() method
* Added grayscale image support
* Updated to use Color, 1327 GS fix
* making SPI CS optional
* CS pin should be declared as optional or required in CONFIG_SCHEMA
* changed SPI_DEVICE_SCHEMA to a function, like i2c
* added spi_device_schema() to pcd8544, lint fixes
* updated max31856 with new spi_device_schema()
* cleanup imports
Co-authored-by: Ilya Goldberg <iggie@mac.com>
* add ssd1325 component
* fix i2c
* remove ssd1325 i2c
* add test
* set max contrast
* No macros - see styleguide
* Remove invalid function
* Formatting
Co-authored-by: Otto Winter <otto@otto-winter.com>
Stefan Agner