ASoC: codecs: fix kernel doc descriptions

Missing or spurious parameter descriptions. Fix warnings with W=1

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/rt5677.c b/sound/soc/codecs/rt5677.c
index 9b7a183..6fc70e4 100644
--- a/sound/soc/codecs/rt5677.c
+++ b/sound/soc/codecs/rt5677.c
@@ -547,7 +547,7 @@
  * @rt5677: Private Data.
  * @addr: Address index.
  * @value: Address data.
- *
+ * @opcode: opcode value
  *
  * Returns 0 for success or negative error code.
  */
@@ -602,7 +602,7 @@
 
 /**
  * rt5677_dsp_mode_i2c_read_addr - Read value from address on DSP mode.
- * rt5677: Private Data.
+ * @rt5677: Private Data.
  * @addr: Address index.
  * @value: Address data.
  *
@@ -651,7 +651,7 @@
 
 /**
  * rt5677_dsp_mode_i2c_write - Write register on DSP mode.
- * rt5677: Private Data.
+ * @rt5677: Private Data.
  * @reg: Register index.
  * @value: Register data.
  *
@@ -667,7 +667,7 @@
 
 /**
  * rt5677_dsp_mode_i2c_read - Read register on DSP mode.
- * @codec: SoC audio codec device.
+ * @rt5677: Private Data
  * @reg: Register index.
  * @value: Register data.
  *