extended gpio implemented

1 files changed, 22 insertions, 0 deletions

diff --git a/fw/fe310/eos/dev/hpamp.c b/fw/fe310/eos/dev/hpamp.c
new file mode 100644
index 0000000..10a95fa
--- /dev/null
+++ b/fw/fe310/eos/dev/hpamp.c
@@ -0,0 +1,22 @@
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "eos.h"
+
+#include "soc/spi.h"
+#include "spi.h"
+
+#include "drv/pcm1770.h"
+#include "hpamp.h"
+
+int eos_hpamp_init(void) {
+    int rv;
+
+    rv = eos_spi_select(EOS_SPI_DEV_HPAMP);
+    if (rv) return rv;
+
+    pcm1770_reg_write(0x03, 0x01);
+    eos_spi_deselect();
+
+    return EOS_OK;
+}