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Commit e7621080 authored by Senthil Kumar Rajagopal's avatar Senthil Kumar Rajagopal Committed by Gerrit - the friendly Code Review server
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msm: camera: isp: enable/disable hvx only if the state changed 



Save the previous satates of HVX . enable or disable
hvx only if the previous state is different from current state.

Change-Id: I24081d1fccff17a0da26ff213df056c7a1cb6388
Signed-off-by: default avatarSenthil Kumar Rajagopal <skrajago@codeaurora.org>
parent 10a55a58

drivers/media/platform/msm/camera_v2/isp/msm_isp.h

+1 −0
Original line number Diff line number Diff line
@@ -792,6 +792,7 @@ struct vfe_device { 
	struct msm_vfe_error_info error_info;

	struct msm_vfe_fetch_engine_info fetch_engine_info;

	enum msm_vfe_hvx_streaming_cmd hvx_cmd;

	uint8_t cur_hvx_state;



	/* State variables */

	uint32_t vfe_hw_version;

drivers/media/platform/msm/camera_v2/isp/msm_isp47.c

+5 −0
Original line number Diff line number Diff line
@@ -1494,6 +1494,10 @@ void msm_vfe47_configure_hvx(struct vfe_device *vfe_dev, 
	uint32_t val;

	int rc = 0;



	if (is_stream_on == vfe_dev->cur_hvx_state) {

		ISP_DBG("already in same hvx state\n");

		return;

	}

	if (vfe_dev->buf_mgr->secure_enable == SECURE_MODE) {

		pr_err("%s: Cannot configure hvx, secure_mode: %d\n",

			__func__,
@@ -1527,6 +1531,7 @@ void msm_vfe47_configure_hvx(struct vfe_device *vfe_dev, 
		val &= 0xFFFFFFF7;

		msm_camera_io_w_mb(val, vfe_dev->vfe_base + 0x50);

	}

	vfe_dev->cur_hvx_state = is_stream_on;

}



void msm_vfe47_update_camif_state(struct vfe_device *vfe_dev,