V4L/DVB (10675): soc-camera: extend soc_camera_bus_param_compatible with more tests

Add data signal polarity, mode, and bus-width tests to
soc_camera_bus_param_compatible().

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 7440d9250665..c63a3409ffb7 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -239,15 +239,19 @@ static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
 static inline unsigned long soc_camera_bus_param_compatible(
                         unsigned long camera_flags, unsigned long bus_flags)
 {
-        unsigned long common_flags, hsync, vsync, pclk;
+        unsigned long common_flags, hsync, vsync, pclk, data, buswidth, mode;
 
         common_flags = camera_flags & bus_flags;
 
         hsync = common_flags & (SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW);
         vsync = common_flags & (SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW);
         pclk = common_flags & (SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING);
+        data = common_flags & (SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_LOW);
+        mode = common_flags & (SOCAM_MASTER | SOCAM_SLAVE);
+        buswidth = common_flags & SOCAM_DATAWIDTH_MASK;
 
-        return (!hsync || !vsync || !pclk) ? 0 : common_flags;
+        return (!hsync || !vsync || !pclk || !data || !mode || !buswidth) ? 0 :
+                common_flags;
 }
 
 extern unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,