#define TDA9873_TR_MASK (7 << 2)
#define TDA9873_TR_MONO 4
#define TDA9873_TR_STEREO 1 << 4
-#define TDA9873_TR_REVERSE (1 << 3) & (1 << 2)
+#define TDA9873_TR_REVERSE ((1 << 3) | (1 << 2))
#define TDA9873_TR_DUALA 1 << 2
#define TDA9873_TR_DUALB 1 << 3
#define TDA9873_MOUT_DUALA 0
#define TDA9873_MOUT_DUALB 1 << 3
#define TDA9873_MOUT_ST 1 << 4
-#define TDA9873_MOUT_EXTM (1 << 4 ) & (1 << 3)
+#define TDA9873_MOUT_EXTM ((1 << 4) | (1 << 3))
#define TDA9873_MOUT_EXTL 1 << 5
-#define TDA9873_MOUT_EXTR (1 << 5 ) & (1 << 3)
-#define TDA9873_MOUT_EXTLR (1 << 5 ) & (1 << 4)
-#define TDA9873_MOUT_MUTE (1 << 5 ) & (1 << 4) & (1 << 3)
+#define TDA9873_MOUT_EXTR ((1 << 5) | (1 << 3))
+#define TDA9873_MOUT_EXTLR ((1 << 5) | (1 << 4))
+#define TDA9873_MOUT_MUTE ((1 << 5) | (1 << 4) | (1 << 3))
/* Status bits: (chip read) */
#define TDA9873_PONR 0 /* Power-on reset detected if = 1 */