From: root <root@lw.(none)>
Date: Wed, 14 Sep 2011 09:27:11 +0000 (+0800)
Subject: rk29_phone: disable pull down resistor of uart3 for gps
X-Git-Tag: firefly_0821_release~9767^2~26^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3574d2ba4a53a4bafa62b9fba67045e65b50368e;p=firefly-linux-kernel-4.4.55.git

rk29_phone: disable pull down resistor of uart3 for gps
---

diff --git a/drivers/misc/gps/rk29_gps.c b/drivers/misc/gps/rk29_gps.c
old mode 100644
new mode 100755
index 2dc8f76d65cf..0e4aa47e22ec
--- a/drivers/misc/gps/rk29_gps.c
+++ b/drivers/misc/gps/rk29_gps.c
@@ -34,8 +34,14 @@ static int rk29_gps_uart_to_gpio(int uart_id)
 		gpio_request(RK29_PIN2_PB3, NULL);
 		gpio_request(RK29_PIN2_PB2, NULL);
 
+		gpio_pull_updown(RK29_PIN2_PB3, PullDisable);
+		gpio_pull_updown(RK29_PIN2_PB2, PullDisable);
+
 		gpio_direction_output(RK29_PIN2_PB3, GPIO_LOW);
 		gpio_direction_output(RK29_PIN2_PB2, GPIO_LOW);
+
+		gpio_free(RK29_PIN2_PB3);
+		gpio_free(RK29_PIN2_PB2);
 	}
 	else if(uart_id == 2) {
 		rk29_mux_api_set(GPIO2B1_UART2SOUT_NAME, GPIO2L_GPIO2B1);