video: of_display_timing.h: include errno.h
commit3663a2fb32
upstream. If CONFIG_OF is not enabled, default of_get_display_timing() returns an errno, so include the header. Fixes:422b67e0b3
("videomode: provide dummy inline functions for !CONFIG_OF") Suggested-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#ifndef __LINUX_OF_DISPLAY_TIMING_H
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#define __LINUX_OF_DISPLAY_TIMING_H
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#include <linux/errno.h>
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struct device_node;
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struct display_timing;
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struct display_timings;
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