Add a trace of the set of supported fourcc/mbus_code which
intersect between DCMI and source sub-device.

Signed-off-by: Hugues Fruchet <[email protected]>
---
 drivers/media/platform/stm32/stm32-dcmi.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/stm32/stm32-dcmi.c 
b/drivers/media/platform/stm32/stm32-dcmi.c
index b462f71..18acecf 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -1447,12 +1447,20 @@ static int dcmi_formats_init(struct stm32_dcmi *dcmi)
                        /* Code supported, have we got this fourcc yet? */
                        for (j = 0; j < num_fmts; j++)
                                if (sd_fmts[j]->fourcc ==
-                                               dcmi_formats[i].fourcc)
+                                               dcmi_formats[i].fourcc) {
                                        /* Already available */
+                                       dev_dbg(dcmi->dev, "Skipping 
fourcc/code: %4.4s/0x%x\n",
+                                               (char *)&sd_fmts[j]->fourcc,
+                                               mbus_code.code);
                                        break;
-                       if (j == num_fmts)
+                               }
+                       if (j == num_fmts) {
                                /* New */
                                sd_fmts[num_fmts++] = dcmi_formats + i;
+                               dev_dbg(dcmi->dev, "Supported fourcc/code: 
%4.4s/0x%x\n",
+                                       (char *)&sd_fmts[num_fmts - 1]->fourcc,
+                                       sd_fmts[num_fmts - 1]->mbus_code);
+                       }
                }
                mbus_code.index++;
        }
-- 
2.7.4

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