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imx-drm: imx-drm-core: Fix imx_drm_encoder_get_mux_id

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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@pengutronix.de>
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Philipp Zabel 2014-04-07 10:22:36 +02:00 committed by Greg Kroah-Hartman
parent 539e26cbbd
commit 60d857bffc
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/imx-drm/imx-drm-core.c
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@ -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);