0003-mxsfb-mxsfb_init-Fix-lcd_rs_gpio.patch

From f0bf2f43b2a6717a8212e91d10a5614fc8cd1517 Mon Sep 17 00:00:00 2001
From: Joe Balough <scallopedllama@gmail.com>
Date: Fri, 23 Nov 2018 12:04:02 -0500
Subject: [PATCH 05/11] mxsfb: mxsfb_init: Fix lcd_rs_gpio

When using a gpio for lcd_rs, request the correct gpio number
(the value read from the device tree and stored in lcd_rs_gpio)
instead of attempting to request the value of lcd_rs_is_gpio
which is 0.
This fixes using a gpio for lcd_rs.
---
 drivers/video/fbdev/mxsfb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c
index 875577aa9cdd..18782cd61c62 100644
--- a/drivers/video/fbdev/mxsfb.c
+++ b/drivers/video/fbdev/mxsfb.c
@@ -1550,7 +1550,7 @@ static int mxsfb_init_fbinfo_dt(struct mxsfb_info *host)
 		host->mpu_lcd_sigs->lcd_rs_gpio = of_get_named_gpio(display_np, "lcd_rs_gpio", 0);
 		if (gpio_is_valid(host->mpu_lcd_sigs->lcd_rs_gpio)) {
 			dev_info(dev, "find lcd rs gpio pin.\n");
-			if (devm_gpio_request_one(dev, host->mpu_lcd_sigs->lcd_rs_is_gpio, GPIOF_OUT_INIT_HIGH, "lcd_rs") >= 0)
+			if (devm_gpio_request_one(dev, host->mpu_lcd_sigs->lcd_rs_gpio, GPIOF_OUT_INIT_HIGH, "lcd_rs") >= 0)
 				host->mpu_lcd_sigs->lcd_rs_is_gpio = 1;
 		}

--
2.19.1