static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
*attr, const char *buf, size_t size)
{
int err;
struct i2c_client *client = container_of(
dev->parent, struct i2c_client, dev);
struct lm3530_data *drvdata = i2c_get_clientdata(client);
int mode;
mode = lm3530_get_mode_from_str(buf);
if (mode < 0) {
dev_err(dev, "Invalid mode\n");
return -EINVAL;
}
if (mode == LM3530_BL_MODE_MANUAL)
drvdata->mode = LM3530_BL_MODE_MANUAL;
else if (mode == LM3530_BL_MODE_ALS)
drvdata->mode = LM3530_BL_MODE_ALS;
else if (mode == LM3530_BL_MODE_PWM) {
dev_err(dev, "PWM mode not supported\n");
return -EINVAL;
}
err = lm3530_init_registers(drvdata);
if (err) {
dev_err(dev, "Setting %s Mode failed :%d\n", buf, err);
return err;
}
return sizeof(drvdata->mode);
}
static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
*attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
struct lm3530_data *drvdata;
struct lm3530_pwm_data *pwm;
u8 max_brightness;
int mode, err;
drvdata = container_of(led_cdev, struct lm3530_data, led_dev);
pwm = &drvdata->pdata->pwm_data;
max_brightness = led_cdev->max_brightness;
mode = lm3530_get_mode_from_str(buf);
if (mode < 0) {
dev_err(dev, "Invalid mode\n");
return mode;
}
drvdata->mode = mode;
/* set pwm to low if unnecessary */
if (mode != LM3530_BL_MODE_PWM && pwm->pwm_set_intensity)
pwm->pwm_set_intensity(0, max_brightness);
err = lm3530_init_registers(drvdata);
if (err) {
dev_err(dev, "Setting %s Mode failed :%d\n", buf, err);
return err;
}
return sizeof(drvdata->mode);
}
static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
*attr, const char *buf, size_t size)
{
int err = 0;
struct i2c_client *client = container_of(
dev->parent, struct i2c_client, dev);
struct lm3530_data *drvdata = i2c_get_clientdata(client);
int mode;
mode = lm3530_get_mode_from_str(buf);
if (mode < 0) {
dev_err(dev, "Invalid mode\n");
return -EINVAL;
}
pr_info("set mode %s, value %d\n", buf, mode);
switch (mode) {
case LM3530_BL_MODE_MANUAL:
case LM3530_BL_MODE_ALS:
case LM3530_BL_MODE_PWM:
err = lcd_cabc_opr(0xff, false);
break;
case LM3530_BL_MODE_PWM_MAN:
err = lcd_cabc_opr(0xff, true);
break;
default:
dev_err(dev, "unsupported mode\n");
break;
}
if (err != 0) {
dev_err(dev, "set mode fail!\n");
return 0;
}
drvdata->mode = mode;
/* set pwm to low if unnecessary */
err = lm3530_init_registers(drvdata);
if (err) {
dev_err(dev, "Setting %s Mode failed :%d\n", buf, err);
return err;
}
return size;
}
