openwrt/target/linux/brcm2708/patches-4.1/0080-Fix-driver-detection-failure-Check-that-the-buffer-r.patch
John Crispin bf28fb50bf brcm2708: update 4.1 patches
As usual, this patches were taken (and rebased) from
https://github.com/raspberrypi/linux/commits/rpi-4.1.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 47258
2015-10-26 09:01:05 +00:00

22 lines
809 B
Diff

From 1cefedfe457ea7c738ab1c10ec88fd8a5632444a Mon Sep 17 00:00:00 2001
From: Gordon Hollingworth <gordon@fiveninjas.com>
Date: Tue, 23 Jun 2015 09:53:40 +0100
Subject: [PATCH 080/203] Fix driver detection failure Check that the buffer
response is non-zero meaning the touchscreen was detected
---
drivers/input/touchscreen/rpi-ft5406.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/input/touchscreen/rpi-ft5406.c
+++ b/drivers/input/touchscreen/rpi-ft5406.c
@@ -184,7 +184,7 @@ static int ft5406_probe(struct platform_
bcm_mailbox_property(&request, sizeof(request));
- if(request.request_code == VCMSG_REQUEST_SUCCESSFUL)
+ if(request.request_code == VCMSG_REQUEST_SUCCESSFUL && request.tag.val != 0)
{
dev_dbg(&pdev->dev, "Got TS buffer 0x%x\n", request.tag.val);
}