ASoc: tas2770: Remove unused defines and variables

Remove unused defines and structure variables that are not
referenced by the code.  If these are needed for future
enhancements then they should be added at that time.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20191007171157.17813-3-dmurphy@ti.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/tas2770.h

@@ -125,40 +125,19 @@
 #define ERROR_UNDER_VOLTAGE 0x0000008
 #define ERROR_BROWNOUT      0x0000010
 #define ERROR_CLASSD_PWR    0x0000020
-#define TAS2770_SLOT_16BIT  16
-#define TAS2770_SLOT_32BIT  32
-#define TAS2770_I2C_RETRY_COUNT      3
-
-struct tas2770_register {
-	int book;
-	int page;
-	int reg;
-};
-
-struct tas2770_dai_cfg {
-	unsigned int dai_fmt;
-	unsigned int tdm_delay;
-};
 
 struct tas2770_priv {
 	struct device *dev;
 	struct regmap *regmap;
-	struct snd_soc_codec *codec;
 	struct snd_soc_component *component;
-	struct mutex dev_lock;
-	struct hrtimer mtimer;
 	int power_state;
 	int asi_format;
 	struct gpio_desc *reset_gpio;
 	int sampling_rate;
-	int frame_size;
 	int channel_size;
 	int slot_width;
 	int v_sense_slot;
 	int i_sense_slot;
-	bool runtime_suspend;
-	unsigned int err_code;
-	struct mutex codec_lock;
 };
 
 #endif /* __TAS2770__ */