ASoC: Constify i2c_device_id table

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Alexander Sverdlin <subaparts@yandex.ru>
Acked-by: Timur Tabi <timur@freescale.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/cs4270.c

@@ -719,7 +719,7 @@ static int cs4270_i2c_remove(struct i2c_client *i2c_client)
 /*
  * cs4270_id - I2C device IDs supported by this driver
  */
-static struct i2c_device_id cs4270_id[] = {
+static const struct i2c_device_id cs4270_id[] = {
 	{"cs4270", 0},
 	{}
 };

sound/soc/codecs/cs4271.c

@@ -555,7 +555,7 @@ static struct spi_driver cs4271_spi_driver = {
 #endif /* defined(CONFIG_SPI_MASTER) */
 
 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static struct i2c_device_id cs4271_i2c_id[] = {
+static const struct i2c_device_id cs4271_i2c_id[] = {
 	{"cs4271", 0},
 	{}
 };