wl1271: Cleaned up wlan power on/off functions

Added method for wlan power control to io_ops struct and moved
wl1271_power_on and wl1271_power_off functions to wl1271_io.h.

Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271_spi.c b/drivers/net/wireless/wl12xx/wl1271_spi.c
index ed285fe..0eea733 100644
--- a/drivers/net/wireless/wl12xx/wl1271_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1271_spi.c
@@ -347,11 +347,18 @@
 	},
 };
 
+static void wl1271_spi_set_power(struct wl1271 *wl, bool enable)
+{
+	if (wl->set_power)
+		wl->set_power(enable);
+}
+
 static struct wl1271_if_operations spi_ops = {
 	.read		= wl1271_spi_raw_read,
 	.write		= wl1271_spi_raw_write,
 	.reset		= wl1271_spi_reset,
 	.init		= wl1271_spi_init,
+	.power		= wl1271_spi_set_power,
 	.dev		= wl1271_spi_wl_to_dev,
 	.enable_irq	= wl1271_spi_enable_interrupts,
 	.disable_irq	= wl1271_spi_disable_interrupts