Datta, Shubhrajyoti wrote:

Subject: [RFC PATCH] Board support for the the GPIO keys

Please tag $SUBJECT with something like "omap: 4430sdp: "

Board support for the GPIO keys.
The proximity sensor is connected to GPIO and is registered as a 
GPIO key.

Signed-off-by: Shubhrajyoti D <redacted>

...

+static void omap_sfh7741prox_init(void)
+{
+	int  error;
+
+	error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741");
+	if (error < 0) {
+		pr_err("failed to request GPIO %d, error %d\n",
+			OMAP4_SFH7741_ENABLE_GPIO, error);
+		return;
+	}
+
+	error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 1);
+	if (error < 0) {
+		pr_err("%s: GPIO configuration failed: GPIO %d,error %d\n",\
+			 __func__, OMAP4_SFH7741_ENABLE_GPIO, error);

That trailing '\' is unnecessary.