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Commit 64866dc4 authored by satyavaraprasad yerramsetti's avatar satyavaraprasad yerramsetti
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msm: camera_v2: Don't touch CCI if camera daemon crashed. 



If daemon crashes, refrain from writing to the CCI. This is needed
because these writes will not wait in a process crash scenario and can
potentially leave the CCI in a bad state.

Change-Id: Ic523c7e6c5ca891a322b8219234d8f04515394f3
Signed-off-by: default avatarSatyavaraprasad Yerramsetti <satyav@codeaurora.org>
parent 06300feb

drivers/media/platform/msm/camera_v2/sensor/cci/msm_cci.c

+1 −4
Original line number Diff line number Diff line
@@ -879,10 +879,7 @@ static long msm_cci_subdev_ioctl(struct v4l2_subdev *sd, 
		rc = msm_cci_config(sd, arg);

		break;

	case MSM_SD_SHUTDOWN: {

		struct msm_camera_cci_ctrl ctrl_cmd;

		ctrl_cmd.cmd = MSM_CCI_RELEASE;

		rc = msm_cci_config(sd, &ctrl_cmd);

		break;

		return rc;

	}

	default:

		rc = -ENOIOCTLCMD;

drivers/media/platform/msm/camera_v2/sensor/msm_sensor.c

+2 −1
Original line number Diff line number Diff line
@@ -1272,9 +1272,10 @@ static long msm_sensor_subdev_ioctl(struct v4l2_subdev *sd, 
	case VIDIOC_MSM_SENSOR_GET_AF_STATUS:

		return msm_sensor_get_af_status(s_ctrl, argp);

	case VIDIOC_MSM_SENSOR_RELEASE:

	case MSM_SD_SHUTDOWN:

		msm_sensor_stop_stream(s_ctrl);

		return 0;

	case MSM_SD_SHUTDOWN:

		return 0;

	default:

		return -ENOIOCTLCMD;

	}