vi_pattern_strings is used only when CONFIG_VIDEO_TEGRA_TPG is
enabled and V4L2 control operations currently are used only in
TPG mode.
So when tegra-video is build for non TPG, warnings of unused
variable is reported for v4l2 control operation variable.
This patch fixes it.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
---
drivers/staging/media/tegra-video/vi.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c
index 5543ead..dabb99a 100644
--- a/drivers/staging/media/tegra-video/vi.c
+++ b/drivers/staging/media/tegra-video/vi.c
@@ -788,6 +788,7 @@ static const struct v4l2_file_operations tegra_channel_fops = {
/*
* V4L2 control operations
*/
+#if IS_ENABLED(CONFIG_VIDEO_TEGRA_TPG)
static int vi_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct tegra_vi_channel *chan = container_of(ctrl->handler,
@@ -814,6 +815,7 @@ static const char *const vi_pattern_strings[] = {
"Black/White Direct Mode",
"Color Patch Mode",
};
+#endif
static int tegra_channel_setup_ctrl_handler(struct tegra_vi_channel *chan)
{
--
2.7.4
