static int adp8860_bl_set(struct backlight_device *bl, int brightness)
{
struct adp8860_bl *data = bl_get_data(bl);
struct i2c_client *client = data->client;
int ret = 0;
if (data->en_ambl_sens) {
if ((brightness > 0) && (brightness < ADP8860_MAX_BRIGHTNESS)) {
ret |= adp8860_clr_bits(client, ADP8860_MDCR,
CMP_AUTOEN);
ret |= adp8860_write(client, ADP8860_BLMX1, brightness);
} else {
ret |= adp8860_write(client, ADP8860_BLMX1,
data->cached_daylight_max);
ret |= adp8860_set_bits(client, ADP8860_MDCR,
CMP_AUTOEN);
}
} else
ret |= adp8860_write(client, ADP8860_BLMX1, brightness);
if (data->current_brightness && brightness == 0)
ret |= adp8860_set_bits(client,
ADP8860_MDCR, DIM_EN);
else if (data->current_brightness == 0 && brightness)
ret |= adp8860_clr_bits(client,
ADP8860_MDCR, DIM_EN);
if (!ret)
data->current_brightness = brightness;
return ret;
}
static ssize_t adp8860_bl_ambient_light_zone_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct adp8860_bl *data = dev_get_drvdata(dev);
unsigned long val;
uint8_t reg_val;
int ret;
ret = strict_strtoul(buf, 10, &val);
if (ret)
return ret;
if (val == 0) {
adp8860_set_bits(data->client, ADP8860_MDCR, CMP_AUTOEN);
} else if ((val > 0) && (val <= 3)) {
adp8860_clr_bits(data->client, ADP8860_MDCR, CMP_AUTOEN);
mutex_lock(&data->lock);
adp8860_read(data->client, ADP8860_CFGR, ®_val);
reg_val &= ~(CFGR_BLV_MASK << CFGR_BLV_SHIFT);
reg_val |= (val - 1) << CFGR_BLV_SHIFT;
adp8860_write(data->client, ADP8860_CFGR, reg_val);
mutex_unlock(&data->lock);
}
return count;
}
static int adp8860_i2c_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
adp8860_clr_bits(client, ADP8860_MDCR, NSTBY);
return 0;
}
static int adp8860_remove(struct i2c_client *client)
{
struct adp8860_bl *data = i2c_get_clientdata(client);
adp8860_clr_bits(client, ADP8860_MDCR, NSTBY);
if (data->led)
adp8860_led_remove(client);
if (data->en_ambl_sens)
sysfs_remove_group(&data->bl->dev.kobj,
&adp8860_bl_attr_group);
return 0;
}
static int __devexit adp8860_remove(struct i2c_client *client)
{
struct adp8860_bl *data = i2c_get_clientdata(client);
adp8860_clr_bits(client, ADP8860_MDCR, NSTBY);
if (data->led)
adp8860_led_remove(client);
if (data->en_ambl_sens)
sysfs_remove_group(&data->bl->dev.kobj,
&adp8860_bl_attr_group);
backlight_device_unregister(data->bl);
kfree(data);
return 0;
}
static int adp8860_i2c_suspend(struct i2c_client *client, pm_message_t message)
{
adp8860_clr_bits(client, ADP8860_MDCR, NSTBY);
return 0;
}