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From 0e76c9361112e7a88d08b3bf3d23c6ba936de01e Mon Sep 17 00:00:00 2001
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From: Gordon Hollingworth <gordon@fiveninjas.com>
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Date: Tue, 23 Jun 2015 09:53:40 +0100
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Subject: [PATCH 080/171] Fix driver detection failure Check that the buffer
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response is non-zero meaning the touchscreen was detected
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---
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drivers/input/touchscreen/rpi-ft5406.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/input/touchscreen/rpi-ft5406.c
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+++ b/drivers/input/touchscreen/rpi-ft5406.c
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@@ -184,7 +184,7 @@ static int ft5406_probe(struct platform_
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bcm_mailbox_property(&request, sizeof(request));
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- if(request.request_code == VCMSG_REQUEST_SUCCESSFUL)
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+ if(request.request_code == VCMSG_REQUEST_SUCCESSFUL && request.tag.val != 0)
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{
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dev_dbg(&pdev->dev, "Got TS buffer 0x%x\n", request.tag.val);
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}
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