Fix PCM1862 input selection.

software/sys_controller/pcm1862/pcm1862.c

@@ -41,8 +41,8 @@ inline void pcm1862_writereg(alt_u8 regaddr, alt_u8 data)
     I2C_write(I2CA_BASE, data, 1);
 }
 
-void pcm_source_sel(tvp_input_t input) {
-    alt_u8 adc_ch = 1<<(3-input);
+void pcm_source_sel(pcm_input_t input) {
+    alt_u8 adc_ch = 1<<input;
 
     pcm1862_writereg(PCM1862_ADC1L, adc_ch);
     pcm1862_writereg(PCM1862_ADC1R, adc_ch);

software/sys_controller/pcm1862/pcm1862.h

@@ -22,9 +22,15 @@
 
 #include "pcm1862_regs.h"
 #include "sysconfig.h"
-#include "tvp7002.h"
 
-void pcm_source_sel(tvp_input_t input) ;
+typedef enum {
+    PCM_INPUT1 = 0,
+    PCM_INPUT2 = 1,
+    PCM_INPUT3 = 2,
+    PCM_INPUT4 = 3
+} pcm_input_t;
+
+void pcm_source_sel(pcm_input_t input) ;
 
 int pcm1862_init();