diff options
Diffstat (limited to 'drivers/media/platform/soc_camera/tegra_camera/vi2.c')
| -rw-r--r-- | drivers/media/platform/soc_camera/tegra_camera/vi2.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/media/platform/soc_camera/tegra_camera/vi2.c b/drivers/media/platform/soc_camera/tegra_camera/vi2.c index 60bdaa4dabc7..232340082e06 100644 --- a/drivers/media/platform/soc_camera/tegra_camera/vi2.c +++ b/drivers/media/platform/soc_camera/tegra_camera/vi2.c @@ -433,13 +433,15 @@ static void vi2_clks_disable(struct tegra_camera_dev *cam) static void vi2_save_syncpts(struct tegra_camera_dev *cam) { - cam->syncpt_csi_a = - nvhost_syncpt_read_ext(cam->ndev, - TEGRA_VI_SYNCPT_CSI_A); + u32 val; - cam->syncpt_csi_b = - nvhost_syncpt_read_ext(cam->ndev, - TEGRA_VI_SYNCPT_CSI_B); + if (!nvhost_syncpt_read_ext_check(cam->ndev, + TEGRA_VI_SYNCPT_CSI_A, &val)) + cam->syncpt_csi_a = val; + + if (!nvhost_syncpt_read_ext_check(cam->ndev, + TEGRA_VI_SYNCPT_CSI_B, &val)) + cam->syncpt_csi_b = val; } static void vi2_incr_syncpts(struct tegra_camera_dev *cam) |