Add data signal polarity and bus-width tests to
soc_camera_bus_param_compatible().
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
Tested on pxa270 with mt9m001. Please review / test further platforms and
configurations.
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 7440d92..b39e093 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -239,15 +239,17 @@ 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;
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);
+ buswidth = common_flags & SOCAM_DATAWIDTH_MASK;
- return (!hsync || !vsync || !pclk) ? 0 : common_flags;
+ return (!hsync || !vsync || !pclk || !data || !buswidth) ? 0 : common_flags;
}
extern unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
--
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