39 static void tosa_bl_set_backlight(struct tosa_bl_data *data, int brightness)  in tosa_bl_set_backlight()  argument
41 	struct spi_device *spi = dev_get_platdata(&data->i2c->dev);  in tosa_bl_set_backlight()
43 	i2c_smbus_write_byte_data(data->i2c, DAC_CH1, data->comadj);  in tosa_bl_set_backlight()
46 	i2c_smbus_write_byte_data(data->i2c, DAC_CH2, (u8)(brightness & 0xff));  in tosa_bl_set_backlight()
57 	struct tosa_bl_data *data = bl_get_data(dev);  in tosa_bl_update_status()  local
64 	tosa_bl_set_backlight(data, brightness);  in tosa_bl_update_status()
85 	struct tosa_bl_data *data;  in tosa_bl_probe()  local
88 	data = devm_kzalloc(&client->dev, sizeof(struct tosa_bl_data),  in tosa_bl_probe()
90 	if (!data)  in tosa_bl_probe()
93 	data->comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj;  in tosa_bl_probe()
98 		dev_dbg(&data->bl->dev, "Unable to request gpio!\n");  in tosa_bl_probe()
102 	i2c_set_clientdata(client, data);  in tosa_bl_probe()
103 	data->i2c = client;  in tosa_bl_probe()
108 	data->bl = devm_backlight_device_register(&client->dev, "tosa-bl",  in tosa_bl_probe()
109 						&client->dev, data, &bl_ops,  in tosa_bl_probe()
111 	if (IS_ERR(data->bl)) {  in tosa_bl_probe()
112 		ret = PTR_ERR(data->bl);  in tosa_bl_probe()
116 	data->bl->props.brightness = 69;  in tosa_bl_probe()
117 	data->bl->props.power = FB_BLANK_UNBLANK;  in tosa_bl_probe()
119 	backlight_update_status(data->bl);  in tosa_bl_probe()
124 	data->bl = NULL;  in tosa_bl_probe()
130 	struct tosa_bl_data *data = i2c_get_clientdata(client);  in tosa_bl_remove()  local
132 	data->bl = NULL;  in tosa_bl_remove()
139 	struct tosa_bl_data *data = dev_get_drvdata(dev);  in tosa_bl_suspend()  local
141 	tosa_bl_set_backlight(data, 0);  in tosa_bl_suspend()
148 	struct tosa_bl_data *data = dev_get_drvdata(dev);  in tosa_bl_resume()  local
150 	backlight_update_status(data->bl);  in tosa_bl_resume()