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Commit b6705157 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Sean Paul
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drm/rockchip: add extcon dependency for DP 



The newly added DP driver links against the extcon core, which fails when
extcon is a module and this driver is not:

drivers/gpu/drm/rockchip/cdn-dp-core.o: In function `cdn_dp_get_port_lanes':
cdn-dp-core.c:(.text.cdn_dp_get_port_lanes+0x24): undefined reference to `extcon_get_state'
cdn-dp-core.c:(.text.cdn_dp_get_port_lanes+0x44): undefined reference to `extcon_get_property'

Let's make Kconfig enforce correct behavior with a dependency.

Fixes: 1a0f7ed3 ("drm/rockchip: cdn-dp: add cdn DP support for rk3399")
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarGuenter Roeck <groeck@chromium.org>
Acked-by: default avatarMark Yao <mark.yao@rock-chips.com>
Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170214213215.2888509-1-arnd@arndb.de
parent dc5e1d62

drivers/gpu/drm/rockchip/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ config ROCKCHIP_ANALOGIX_DP 
config ROCKCHIP_CDN_DP

        tristate "Rockchip cdn DP"

        depends on DRM_ROCKCHIP

	depends on EXTCON

	select SND_SOC_HDMI_CODEC if SND_SOC

        help

	  This selects support for Rockchip SoC specific extensions