video/backlight/otm3225a.c

1 // SPDX-License-Identifier: GPL-2.0
2 /* Driver for ORISE Technology OTM3225A SOC for TFT LCD
5  * This driver implements a lcd device for the ORISE OTM3225A display
7  * memory is updated over the 16-bit RGB interface.
11  * provided by Crystalfontz America Inc. who sells the CFAF240320A-032T, a 3.2"
12  * TFT LC display using the OTM3225A controller.
18 #include <linux/lcd.h>
165 	while (count--) {  in otm3225a_write()
169 		buf[2] = instruction->reg;  in otm3225a_write()
174 		buf[1] = (instruction->value >> 8) & 0xff;  in otm3225a_write()
175 		buf[2] = instruction->value & 0xff;  in otm3225a_write()
179 		if (instruction->delay)  in otm3225a_write()
180 			msleep(instruction->delay);  in otm3225a_write()
189 	if (power == dd->power)  in otm3225a_set_power()
193 		otm3225a_write(dd->spi, display_off, ARRAY_SIZE(display_off));  in otm3225a_set_power()
195 		otm3225a_write(dd->spi, display_on, ARRAY_SIZE(display_on));  in otm3225a_set_power()
196 	dd->power = power;  in otm3225a_set_power()
205 	return dd->power;  in otm3225a_get_power()
217 	struct device *dev = &spi->dev;  in otm3225a_probe()
221 		return -ENOMEM;  in otm3225a_probe()
228 	dd->spi = spi;  in otm3225a_probe()
229 	dd->ld = ld;  in otm3225a_probe()
250 MODULE_DESCRIPTION("OTM3225A TFT LCD driver");