/* Write to frequency prescaler register, used to program the period of the PWM output. period = (PSCx + 1) / 38  */
static void pca955x_write_psc(struct i2c_client *client, int n, u8 val)
/* Write to frequency prescaler register, used to program the period of the PWM output. period = (PSCx + 1) / 38  */
static void pca955x_write_psc(struct i2c_client *client, int n, u8 val)
{
	struct pca955x_led *pca955x = i2c_get_clientdata(client);
	i2c_smbus_write_byte_data(client,
		pca95xx_num_input_regs(pca955x->chipdef->bits) + 2*n,
		val);
}