diff options
| author | Yuxi Sun <b36102@freescale.com> | 2012-03-26 17:57:45 +0800 |
|---|---|---|
| committer | Yuxi Sun <b36102@freescale.com> | 2012-03-26 18:33:27 +0800 |
| commit | dfbba173c68f8a78ab60433e9276a7e9c8a331e3 (patch) | |
| tree | 34bad213bad4f82053b782bb32652457d2881f2b | |
| parent | 2db9918b030253a6717ca053c91372d453c3d0b8 (diff) | |
ENGR00177944 v4l2 capture: enable mclk and power up when open camera
Set mclk enable and power up camera when open camera, and disable
mclk, powerdown camera when close.
Signed-off-by: Yuxi Sun <b36102@freescale.com>
| -rw-r--r-- | drivers/media/video/mxc/capture/mxc_v4l2_capture.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/media/video/mxc/capture/mxc_v4l2_capture.c b/drivers/media/video/mxc/capture/mxc_v4l2_capture.c index 03864a819201..e3af2f817990 100644 --- a/drivers/media/video/mxc/capture/mxc_v4l2_capture.c +++ b/drivers/media/video/mxc/capture/mxc_v4l2_capture.c @@ -1666,7 +1666,9 @@ static int mxc_v4l_open(struct file *file) ipu_csi_enable_mclk_if(cam->ipu, CSI_MCLK_I2C, cam->csi, true, true); + vidioc_int_s_power(cam->sensor, 1); vidioc_int_init(cam->sensor); + vidioc_int_dev_init(cam->sensor); } file->private_data = dev; @@ -1708,6 +1710,7 @@ static int mxc_v4l_close(struct file *file) } if (--cam->open_count == 0) { + vidioc_int_s_power(cam->sensor, 0); ipu_csi_enable_mclk_if(cam->ipu, CSI_MCLK_I2C, cam->csi, false, false); @@ -2840,15 +2843,11 @@ static int mxc_v4l2_master_attach(struct v4l2_int_device *slave) return -1; } - for (i = 0; i < sensor_index - 1; i++) { + for (i = 0; i < sensor_index; i++) { vidioc_int_dev_exit(cam->all_sensors[i]); vidioc_int_s_power(cam->all_sensors[i], 0); } - ipu_csi_enable_mclk_if(cam->ipu, CSI_MCLK_I2C, cam->csi, true, true); - vidioc_int_s_power(cam->sensor, 1); - vidioc_int_dev_init(slave); - ipu_csi_enable_mclk_if(cam->ipu, CSI_MCLK_I2C, cam->csi, false, false); cam_fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; vidioc_int_g_fmt_cap(cam->sensor, &cam_fmt); |