wl18xx: disable calibrator based fem detect

bip calibration is not required in wl18xx. Therefore we
disable also auto fem (using calibrator fem detect) mode.

Signed-off-by: Yair Shapira <yair.shapira@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index fb284de..2b9398c 100644 (file)
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -1148,6 +1148,12 @@ static int wl18xx_plt_init(struct wl1271 *wl)
 {
        int ret;
 
+       /* calibrator based auto/fem detect not supported for 18xx */
+       if (wl->plt_mode == PLT_FEM_DETECT) {
+               wl1271_error("wl18xx_plt_init: PLT FEM_DETECT not supported");
+               return -EINVAL;
+       }
+
        ret = wlcore_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT);
        if (ret < 0)
                return ret;