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-rw-r--r--firmware/drivers/dac.c18
-rw-r--r--firmware/drivers/dac.h1
2 files changed, 17 insertions, 2 deletions
diff --git a/firmware/drivers/dac.c b/firmware/drivers/dac.c
index 9a40244292..72d4c40cf7 100644
--- a/firmware/drivers/dac.c
+++ b/firmware/drivers/dac.c
@@ -37,7 +37,7 @@ int dac_volume(unsigned int left, unsigned int right, bool deemph)
37 buf[1] = (left & 0x3f) | (deemph ? 0x40 : 0); 37 buf[1] = (left & 0x3f) | (deemph ? 0x40 : 0);
38 buf[2] = right & 0x3f; 38 buf[2] = right & 0x3f;
39 39
40 /* send read command */ 40 /* send write command */
41 if (i2c_write(DAC_DEV_WRITE,buf,3)) 41 if (i2c_write(DAC_DEV_WRITE,buf,3))
42 { 42 {
43 ret = -1; 43 ret = -1;
@@ -66,7 +66,7 @@ int dac_config(int value)
66 buf[0] = DAC_REG_WRITE | DAC_GCFG; 66 buf[0] = DAC_REG_WRITE | DAC_GCFG;
67 buf[1] = value; 67 buf[1] = value;
68 68
69 /* send read command */ 69 /* send write command */
70 if (i2c_write(DAC_DEV_WRITE,buf,2)) 70 if (i2c_write(DAC_DEV_WRITE,buf,2))
71 { 71 {
72 ret = -1; 72 ret = -1;
@@ -75,3 +75,17 @@ int dac_config(int value)
75 i2c_end(); 75 i2c_end();
76 return ret; 76 return ret;
77} 77}
78
79void dac_init(void)
80{
81 unsigned char buf[2];
82
83 i2c_begin();
84
85 buf[0] = DAC_REG_WRITE | DAC_SR_REG;
86 buf[1] = 0x07;
87
88 /* send write command */
89 i2c_write(DAC_DEV_WRITE,buf,2);
90 i2c_end();
91}
diff --git a/firmware/drivers/dac.h b/firmware/drivers/dac.h
index 9530677bec..c0b2873fda 100644
--- a/firmware/drivers/dac.h
+++ b/firmware/drivers/dac.h
@@ -34,5 +34,6 @@
34 34
35extern int dac_volume(unsigned int left, unsigned int right, bool deemph); 35extern int dac_volume(unsigned int left, unsigned int right, bool deemph);
36extern int dac_config(int value); 36extern int dac_config(int value);
37extern void dac_init(void);
37 38
38#endif 39#endif