From: H Hartley Sweeten <hartleys@visionengravers.com>
Date: Tue, 6 Oct 2009 04:43:42 +0000 (-0700)
Subject: Input: rotary_encoder - fix relative axis support
X-Git-Tag: v2.6.32-rc4~12^2~5
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=06ee3d3c254a8e8abb9549cd228325114f596e5c;p=~emulex%2Finfiniband.git

Input: rotary_encoder - fix relative axis support

When the rotart_encoder driver is used to report relative axis
information the "steps" in the platform data could be missing
since it's not relevant.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c
index c806fbf1e17..3b9f588fc74 100644
--- a/drivers/input/misc/rotary_encoder.c
+++ b/drivers/input/misc/rotary_encoder.c
@@ -106,8 +106,8 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev)
 	struct input_dev *input;
 	int err;
 
-	if (!pdata || !pdata->steps) {
-		dev_err(&pdev->dev, "invalid platform data\n");
+	if (!pdata) {
+		dev_err(&pdev->dev, "missing platform data\n");
 		return -ENOENT;
 	}