samd21: spi: fix power regression

The MISO pin cannot be left floating as it increases power consumption
2016-09-26 19:59:51 -07:00 · 2016-09-26 19:59:51 -07:00 · 68f9916ab6
commit 68f9916ab6
parent 25e18dad88
1 changed files with 1 additions and 1 deletions
--- a/cpu/samd21/periph/spi.c
+++ b/cpu/samd21/periph/spi.c
@ -158,7 +158,7 @@ int spi_init_master(spi_t dev, spi_conf_t conf, spi_speed_t speed)
     *  - init cpha/cpol, BAUD.reg
     *  - enable SPI
     */
-
+    gpio_init(pin_miso, GPIO_IN_PD);
    gpio_init_sercom(pin_sclk, mux_sclk);
    gpio_init_sercom(pin_miso, mux_miso);
    gpio_init_sercom(pin_mosi, mux_mosi);