update ad9361

Signed-off-by: surenyi <surenyi82@163.com>

ad9361/ad9361_api.h

@@ -356,7 +356,8 @@ enum ad9361_ensm_mode {
 /************************ Functions Declarations ******************************/
 /******************************************************************************/
 /* Initialize the AD9361 part. */
-int32_t ad9361_init (struct ad9361_rf_phy **ad9361_phy, AD9361_InitParam *init_param);
+struct spi_device;
+int32_t ad9361_init (struct ad9361_rf_phy *ad9361_phy, struct spi_device *spi, AD9361_InitParam *init_param);
 /* Set the Enable State Machine (ENSM) mode. */
 int32_t ad9361_set_en_state_machine_mode (struct ad9361_rf_phy *phy, uint32_t mode);
 /* Get the Enable State Machine (ENSM) mode. */

ad9361/platform.c

@@ -31,6 +31,20 @@ void mdelay(unsigned long ms)
 int spi_write_then_read(struct spi_device *spi, const unsigned char *txbuf, unsigned n_tx,
         unsigned char *rxbuf, unsigned n_rx)
 {
+    int i;
+
+    spi_cs(spi, SPI_CS_LOW);
+
+    for (i = 0; i < n_tx; ++i) {
+        spi_txrx(spi, txbuf[i]);
+    }
+
+    for (i = 0; i < n_rx; ++i) {
+        rxbuf[i] = spi_txrx(spi, 0xff);
+    }
+
+    spi_cs(spi, SPI_CS_HIGH);
+
     return SUCCESS;
 }