This patch add the check for non-supported color format Signed-off-by: Stu Hsieh <stu.hsieh@xxxxxxxxxxxx> --- .../media/platform/mtk-mipicsi/mtk_mipicsi.c | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c index 9142564baf1d..9c65b96456c4 100644 --- a/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c +++ b/drivers/media/platform/mtk-mipicsi/mtk_mipicsi.c @@ -172,6 +172,20 @@ static void mtk_mipicsi_remove_device(struct soc_camera_device *icd) (void)pm_runtime_put_sync(icd->parent); } +static bool is_supported(const u32 pixformat) +{ + switch (pixformat) { + /* YUV422 */ + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_UYVY: + case V4L2_PIX_FMT_YVYU: + case V4L2_PIX_FMT_VYUY: + return true; + } + + return false; +} + static int mtk_mipicsi_set_fmt(struct soc_camera_device *icd, struct v4l2_format *f) { @@ -187,6 +201,12 @@ static int mtk_mipicsi_set_fmt(struct soc_camera_device *icd, struct v4l2_mbus_framefmt *mf = &format.format; int ret = 0; + if (!is_supported(pix->pixelformat)) { + dev_err(dev, "Format %x not support. set V4L2_PIX_FMT_YUYV as default\n", + pix->pixelformat); + pix->pixelformat = V4L2_PIX_FMT_YUYV; + } + xlate = soc_camera_xlate_by_fourcc(icd, pix->pixelformat); if (xlate == NULL) { dev_err(dev, "Format 0x%x not found\n", pix->pixelformat); -- 2.18.0