static void tps6586x_gpio_set(struct gpio_chip *chip, unsigned offset,
int value)
{
struct tps6586x *tps6586x = container_of(chip, struct tps6586x, gpio);
__tps6586x_write(tps6586x->client, TPS6586X_GPIOSET2,
value << offset);
}
static inline int __tps6586x_writes(struct i2c_client *client, int reg,
int len, uint8_t *val)
{
int ret, i;
for (i = 0; i < len; i++) {
ret = __tps6586x_write(client, reg + i, *(val + i));
if (ret < 0)
return ret;
}
return 0;
}
int tps6586x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
{
struct tps6586x *tps6586x = dev_get_drvdata(dev);
uint8_t reg_val;
int ret = 0;
mutex_lock(&tps6586x->lock);
ret = __tps6586x_read(tps6586x->client, reg, ®_val);
if (ret)
goto out;
if ((reg_val & mask) != val) {
reg_val = (reg_val & ~mask) | val;
ret = __tps6586x_write(tps6586x->client, reg, reg_val);
}
out:
mutex_unlock(&tps6586x->lock);
return ret;
}
int tps6586x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
{
struct tps6586x *tps6586x = dev_get_drvdata(dev);
uint8_t reg_val;
int ret = 0;
mutex_lock(&tps6586x->lock);
ret = __tps6586x_read(to_i2c_client(dev), reg, ®_val);
if (ret)
goto out;
if (reg_val & bit_mask) {
reg_val &= ~bit_mask;
ret = __tps6586x_write(to_i2c_client(dev), reg, reg_val);
}
out:
mutex_unlock(&tps6586x->lock);
return ret;
}
int tps6586x_write(struct device *dev, int reg, uint8_t val)
{
return __tps6586x_write(to_i2c_client(dev), reg, val);
}