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Commit 825f50b1 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Tomi Valkeinen
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OMAP: DSS2: Check if display supports update mode changes 



Check whether the display actually has the set_update_mode() function
before calling it. Only the sysfs codepath was broken, the omapfb ioctl
had the necessary protection.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@nokia.com>
parent 5ab8e30c

drivers/video/omap2/dss/display.c

+3 −0
Original line number Diff line number Diff line
@@ -82,6 +82,9 @@ static ssize_t display_upd_mode_store(struct device *dev, 
	int val, r;

	enum omap_dss_update_mode mode;



	if (!dssdev->driver->set_update_mode)

		return -EINVAL;



	val = simple_strtoul(buf, NULL, 10);



	switch (val) {