From: Linus Walleij <linus.walleij@linaro.org>
Date: Wed, 27 Jun 2018 08:39:31 +0000 (+0200)
Subject: gpio: sch: Implement .get_direction()
X-Git-Tag: v4.19~401^2~61
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d8e764c2cc451452f07e4f35a3e83df9decf7f99;p=platform%2Fkernel%2Flinux-rpi.git

gpio: sch: Implement .get_direction()

It's pretty simple to implement the .get_direction() for this
chip, so let's just do it.

Cc: Denis Turischev <denis.turischev@compulab.co.il>
Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index 26e9b1c..e9878f6 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -137,6 +137,13 @@ static int sch_gpio_direction_out(struct gpio_chip *gc, unsigned gpio_num,
 	return 0;
 }
 
+static int sch_gpio_get_direction(struct gpio_chip *gc, unsigned gpio_num)
+{
+	struct sch_gpio *sch = gpiochip_get_data(gc);
+
+	return sch_gpio_reg_get(sch, gpio_num, GIO);
+}
+
 static const struct gpio_chip sch_gpio_chip = {
 	.label			= "sch_gpio",
 	.owner			= THIS_MODULE,
@@ -144,6 +151,7 @@ static const struct gpio_chip sch_gpio_chip = {
 	.get			= sch_gpio_get,
 	.direction_output	= sch_gpio_direction_out,
 	.set			= sch_gpio_set,
+	.get_direction		= sch_gpio_get_direction,
 };
 
 static int sch_gpio_probe(struct platform_device *pdev)