static ssize_t store_als_en(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct lm3533_bl *bl = dev_get_drvdata(dev);
int ctrlbank = lm3533_bl_get_ctrlbank_id(bl);
int enable;
u8 val;
u8 mask;
int ret;
if (kstrtoint(buf, 0, &enable))
return -EINVAL;
mask = 1 << (2 * ctrlbank);
if (enable)
val = mask;
else
val = 0;
ret = lm3533_update(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, val,
mask);
if (ret)
return ret;
return len;
}
static ssize_t store_linear(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t len)
{
struct lm3533_bl *bl = dev_get_drvdata(dev);
unsigned long linear;
u8 mask;
u8 val;
int ret;
if (kstrtoul(buf, 0, &linear))
return -EINVAL;
mask = 1 << (2 * lm3533_bl_get_ctrlbank_id(bl) + 1);
if (linear)
val = mask;
else
val = 0;
ret = lm3533_update(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, val,
mask);
if (ret)
return ret;
return len;
}
/*
* LVLED output config -- output lvled controlled by LED led
*/
static int lm3533_set_lvled_config(struct lm3533 *lm3533, u8 lvled, u8 led)
{
u8 reg;
u8 val;
u8 mask;
int shift;
int ret;
if (lvled == 0 || lvled > LM3533_LVLED_ID_MAX)
return -EINVAL;
if (led > LM3533_LED_ID_MAX)
return -EINVAL;
if (lvled < 4) {
reg = LM3533_REG_OUTPUT_CONF1;
shift = 2 * lvled;
} else {
reg = LM3533_REG_OUTPUT_CONF2;
shift = 2 * (lvled - 4);
}
mask = LM3533_LED_ID_MASK << shift;
val = led << shift;
ret = lm3533_update(lm3533, reg, val, mask);
if (ret)
dev_err(lm3533->dev, "failed to set lvled config\n");
return ret;
}
static int __devinit lm3533_bl_setup(struct lm3533_bl *bl,
struct lm3533_bl_platform_data *pdata)
{
int ret;
u8 mask;
u8 val;
ret = lm3533_ctrlbank_set_max_current(&bl->cb, pdata->max_current);
if (ret)
return ret;
mask = 1 << (2 * lm3533_bl_get_ctrlbank_id(bl) + 1);
if (pdata->linear)
val = mask;
else
val = 0;
ret = lm3533_update(bl->lm3533, LM3533_REG_CTRLBANK_AB_BCONF, val,
mask);
if (ret)
return ret;
return lm3533_ctrlbank_set_pwm(&bl->cb, pdata->pwm);
}
static int lm3533_set_boost_ovp(struct lm3533 *lm3533,
enum lm3533_boost_ovp ovp)
{
int ret;
ret = lm3533_update(lm3533, LM3533_REG_BOOST_PWM,
ovp << LM3533_BOOST_OVP_SHIFT,
LM3533_BOOST_OVP_MASK);
if (ret)
dev_err(lm3533->dev, "failed to set boost ovp\n");
return ret;
}
static int lm3533_set_boost_freq(struct lm3533 *lm3533,
enum lm3533_boost_freq freq)
{
int ret;
ret = lm3533_update(lm3533, LM3533_REG_BOOST_PWM,
freq << LM3533_BOOST_FREQ_SHIFT,
LM3533_BOOST_FREQ_MASK);
if (ret)
dev_err(lm3533->dev, "failed to set boost frequency\n");
return ret;
}
int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb)
{
u8 mask;
int ret;
dev_dbg(cb->dev, "%s - %d\n", __func__, cb->id);
mask = 1 << cb->id;
ret = lm3533_update(cb->lm3533, LM3533_REG_CTRLBANK_ENABLE, 0, mask);
if (ret)
dev_err(cb->dev, "failed to disable ctrlbank %d\n", cb->id);
return ret;
}
static int lm3533_als_set_int_mode(struct iio_dev *indio_dev, int enable)
{
struct lm3533_als *als = iio_priv(indio_dev);
u8 mask = LM3533_ALS_INT_ENABLE_MASK;
u8 val;
int ret;
if (enable)
val = mask;
else
val = 0;
ret = lm3533_update(als->lm3533, LM3533_REG_ALS_ZONE_INFO, val, mask);
if (ret) {
dev_err(&indio_dev->dev, "failed to set int mode %d\n",
enable);
return ret;
}
return 0;
}
/*
* HVLED output config -- output hvled controlled by backlight bl
*/
static int lm3533_set_hvled_config(struct lm3533 *lm3533, u8 hvled, u8 bl)
{
u8 val;
u8 mask;
int shift;
int ret;
if (hvled == 0 || hvled > LM3533_HVLED_ID_MAX)
return -EINVAL;
if (bl > LM3533_BL_ID_MAX)
return -EINVAL;
shift = hvled - 1;
mask = LM3533_BL_ID_MASK << shift;
val = bl << shift;
ret = lm3533_update(lm3533, LM3533_REG_OUTPUT_CONF1, val, mask);
if (ret)
dev_err(lm3533->dev, "failed to set hvled config\n");
return ret;
}
