diff options
Diffstat (limited to 'drivers/media/platform/s5p-fimc/fimc-mdevice.c')
-rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-mdevice.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index e7164ce373db..b22489907295 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -225,28 +225,36 @@ static int __fimc_pipeline_close(struct fimc_pipeline *p) } /** - * __fimc_pipeline_s_stream - invoke s_stream on pipeline subdevs + * __fimc_pipeline_s_stream - call s_stream() on pipeline subdevs * @pipeline: video pipeline structure - * @on: passed as the s_stream call argument + * @on: passed as the s_stream() callback argument */ static int __fimc_pipeline_s_stream(struct fimc_pipeline *p, bool on) { - int i, ret; + static const u8 seq[2][IDX_MAX] = { + { IDX_FIMC, IDX_SENSOR, IDX_IS_ISP, IDX_CSIS, IDX_FLITE }, + { IDX_CSIS, IDX_FLITE, IDX_FIMC, IDX_SENSOR, IDX_IS_ISP }, + }; + int i, ret = 0; if (p->subdevs[IDX_SENSOR] == NULL) return -ENODEV; for (i = 0; i < IDX_MAX; i++) { - unsigned int idx = on ? (IDX_MAX - 1) - i : i; + unsigned int idx = seq[on][i]; ret = v4l2_subdev_call(p->subdevs[idx], video, s_stream, on); if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV) - return ret; + goto error; } - return 0; - +error: + for (; i >= 0; i--) { + unsigned int idx = seq[on][i]; + v4l2_subdev_call(p->subdevs[idx], video, s_stream, !on); + } + return ret; } /* Media pipeline operations for the FIMC/FIMC-LITE video device driver */ |