diff options
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-capture.c')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-capture.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c index 287d099caf8..a2f7da9c7f6 100644 --- a/drivers/media/video/s5p-fimc/fimc-capture.c +++ b/drivers/media/video/s5p-fimc/fimc-capture.c @@ -17,6 +17,7 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/list.h> #include <linux/slab.h> #include <linux/clk.h> @@ -271,6 +272,16 @@ static int stop_streaming(struct vb2_queue *q) return fimc_stop_capture(fimc); } +int fimc_capture_suspend(struct fimc_dev *fimc) +{ + return -EBUSY; +} + +int fimc_capture_resume(struct fimc_dev *fimc) +{ + return 0; +} + static unsigned int get_plane_size(struct fimc_frame *fr, unsigned int plane) { if (!fr || plane >= fr->fmt->memplanes) @@ -396,9 +407,14 @@ static int fimc_capture_open(struct file *file) if (fimc_m2m_active(fimc)) return -EBUSY; + ret = pm_runtime_get_sync(&fimc->pdev->dev); + if (ret) + return ret; + if (++fimc->vid_cap.refcnt == 1) { ret = fimc_isp_subdev_init(fimc, 0); if (ret) { + pm_runtime_put_sync(&fimc->pdev->dev); fimc->vid_cap.refcnt--; return -EIO; } @@ -426,6 +442,8 @@ static int fimc_capture_close(struct file *file) fimc_subdev_unregister(fimc); } + pm_runtime_put(&fimc->pdev->dev); + return 0; } |