添加内核启动阶段播放声音的驱动

device/config/chips/v851s/configs/fastboot_sl100_back/board.dts

@@ -1457,6 +1457,26 @@
 
 };
 
+&codec_has {
+	/* external-avcc; */
+	/* avcc-supply	= <&reg_aldo1>; */
+	avcc-vol	= <1800000>;	/* uv */
+	lineout-vol	= <31>;
+	mic1gain	= <31>;
+	mic2gain	= <31>;
+	adcdelaytime	= <0>;
+	dma_tx_fifo	= <0x02030000>;
+	/* lineout-single; */
+	/* mic1-single; */
+	/* mic2-single; */
+	pa-pin-max	= <1>;		/* set pa */
+	pa-pin-0	= <&pio PD 21 1 1 1 0>;
+	pa-pin-level-0	= <1>;
+	pa-pin-msleep-0	= <0>;
+	tx-hub-en;
+	rx-sync-en;
+	status		= "disabled";
+};
 
 /* audio dirver module -> audio codec */
 &codec {