[PATCH v2 1/3] v4l: common: v4l2_get_link_freq: add printing a warning

[Andrey Konovalov]

Print a warning if V4L2_CID_LINK_FREQ control is not implemented.

Signed-off-by: Andrey Konovalov <andrey.konova...@linaro.org>
---
 drivers/media/v4l2-core/v4l2-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-common.c 
b/drivers/media/v4l2-core/v4l2-common.c
index 133d20e40f82..f1abdf2ab4ec 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -461,6 +461,8 @@ s64 v4l2_get_link_freq(struct v4l2_ctrl_handler *handler, 
unsigned int mul,
 
                freq = qm.value;
        } else {
+               pr_warn("%s: V4L2_CID_LINK_FREQ not implemented\n", __func__);
+
                if (!mul || !div)
                        return -ENOENT;
 
-- 
2.17.1