linux-kernel - [PATCH] imx-drm: imx-drm-core: Fix imx_drm_encoder_get_mux

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Message-Id: <1396858956-7096-1-git-send-email-p.zabel@pengutronix.de>
Date:	Mon,  7 Apr 2014 10:22:36 +0200
From:	Philipp Zabel <p.zabel@...gutronix.de>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Russell King <rmk+kernel@....linux.org.uk>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	devel@...verdev.osuosl.org, kernel@...gutronix.de,
	Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH] imx-drm: imx-drm-core: Fix imx_drm_encoder_get_mux_id

The decoder mux id is equal to the port id of the encoder's input port
that is connected to the given crtc, not to the endpoint id (which is
arbitrary and usually zero).

Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
---
 drivers/staging/imx-drm/imx-drm-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 4144a75..bc7f8bd 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -517,7 +517,7 @@ int imx_drm_encoder_get_mux_id(struct device_node *node,
 		of_node_put(port);
 		if (port == imx_crtc->port) {
 			ret = of_graph_parse_endpoint(ep, &endpoint);
-			return ret ? ret : endpoint.id;
+			return ret ? ret : endpoint.port;
 		}
 	} while (ep);
 
-- 
1.9.1

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