X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Fwm8731.h;h=3404d0286bfa1e8fb52ba6ff8ab60a010a7d7236;hb=e8b0472be10fba4ca6baa62d8d483db90e28c06e;hp=aaf98228cf1baa04ef59d4b361641df48cec5430;hpb=b376a9255a68608fd3b2ba6ab10da1294eaf233e;p=bertos.git

diff --git a/bertos/drv/wm8731.h b/bertos/drv/wm8731.h
index aaf98228..3404d028 100644
--- a/bertos/drv/wm8731.h
+++ b/bertos/drv/wm8731.h
@@ -161,6 +161,14 @@
 #define WM8731_SR_BITS_MASK                       0x3C // Sample rate control
 #define WM8731_CLKIDIV2_BIT                          6 // Core clock divider select
 #define WM8731_CLKODIV2_BIT                          7 // CLKOUT divider select
+/**
+ * Sampling rate control
+ * $WIZ$ wm8731_sample_rate = "WM8731_NORMAL_256FS_48KHZ", "WM8731_NORMAL_256FS_44_1KHZ", "WM8731_NORMAL_384FS_44_1KHZ"
+ */
+#define WM8731_NORMAL_256FS_48KHZ      0
+#define WM8731_NORMAL_256FS_44_1KHZ    0x20
+#define WM8731_NORMAL_384FS_44_1KHZ    0x22
+#define WM8731_NORMAL_128FS_44_1KHZ    0x3E
 
 /* Active control register*/
 #define WM8731_REG_ACTIVE_CTRL                     0x9
@@ -183,7 +191,7 @@ typedef struct Wm8731
 /* \} */
 
 /**
- * Set the volume of select device (line in Rx/Lx, Headphone Rx/Lx).
+ * Set the volume of select device line in or Headphone.
  * The volume is express in %, and the volume range is 0-100%.
  */
 void wm8731_setVolume(Wm8731 *ctx, uint16_t device, uint8_t volume);