drivers/sound/rt5677.c

1 // SPDX-License-Identifier: GPL-2.0+
18 /* RT5677 has 256 8-bit register addresses, and 16-bit register data */
49  * rt5677_i2c_read() - Read a 16-bit register
53  * @returns data read or -ve on error
60 	ret = dm_i2c_read(priv->dev, reg, buf, sizeof(u16));  in rt5677_i2c_read()
67  * rt5677_i2c_write() - Write a 16-bit register
72  * @returns 0 if OK, -ve on error
81 	return dm_i2c_write(priv->dev, reg, buf, sizeof(u16));  in rt5677_i2c_write()
85  * rt5677_bic_or() - Set and clear bits of a codec register
91  * @returns 0 if OK, -ve on error
116  * rt5677_reg_init() - Initialise codec regs w/static/base values
119  * @returns 0 if OK, -ve on error
140 	/* Show all 16-bit codec regs */  in debug_dump_5677_regs()
153 	/* Show all 16-bit 'private' codec regs */  in debug_dump_5677_regs()
184 		return -EINVAL;  in rt5677_hw_params()
191  * rt5677_set_fmt() - set rt5677 I2S format
194  * @returns 0 if OK, -ve on error
203 	 * CBS_CFS (Codec Bit Slave/Codec Frame Slave)  in rt5677_set_fmt()
229  * rt5677_reset() - reset the audio codec
232  * @returns 0 if OK, -ve on error
238 	/* Reset the codec registers to their defaults */  in rt5677_reset()
241 		log_err("Error resetting codec\n");  in rt5677_reset()
249  * Initialise rt5677 codec device
252  * @returns 0 if OK, -ve on error
262 	log_debug("reg 00h, Software Reset & Status = 0x%04x\n", ret);  in rt5677_device_init()
264 	/* Reset the codec/regs */  in rt5677_device_init()
293 	/* Initialise codec regs w/static/base values, same as Linux driver */  in rt5677_set_params()
313 	priv->dev = dev;  in rt5677_probe()