drm/scdc: declare drm_scdc_get_scrambling_status

Fix sparse warning:

drivers/gpu/drm/drm_scdc_helper.c:138:6: warning: symbol
'drm_scdc_get_scrambling_status' was not declared. Should it be static?

Fixes: 62c58af32c93 ("drm/edid: detect SCDC support in HF-VSDB")
Cc: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1490193218-24806-1-git-send-email-jani.nikula@intel.com

diff --git a/include/drm/drm_scdc_helper.h b/include/drm/drm_scdc_helper.h
index ab6bcfbceba98062de45cb5af38cad52fe31ec6a..c25122bb490a345528f0228b0ef11ff542c5bc50 100644 (file)
--- a/include/drm/drm_scdc_helper.h
+++ b/include/drm/drm_scdc_helper.h
@@ -129,6 +129,8 @@ static inline int drm_scdc_writeb(struct i2c_adapter *adapter, u8 offset,
        return drm_scdc_write(adapter, offset, &value, sizeof(value));
 }
 
+bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter);
+
 /**
  * drm_scdc_set_scrambling - enable scrambling
  * @adapter: I2C adapter for DDC channel