From: Yair Shapira <yair.shapira@ti.com>
Date: Wed, 11 Jul 2012 15:48:05 +0000 (+0300)
Subject: wl18xx: disable calibrator based fem detect
X-Git-Tag: firefly_0821_release~3680^2~2381^2~57^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=16bc10c3180bb71da42fedc63587a39aed79b469;p=firefly-linux-kernel-4.4.55.git

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 fb284dedf725..2b9398c02a25 100644
--- 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;