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Commit 628f46a2 authored by Ashwini Rao's avatar Ashwini Rao Committed by Gerrit - the friendly Code Review server
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msm: fd: Add FD HW reset sequence after halt 



The FD hardware needs to be reset everytime after halt
is called. Adding the reset sequence.

CRs-fixed: 961394

Change-Id: I129de341e619d8c8f6faa69d43c9d13ba21dd88f
Signed-off-by: default avatarAshwini Rao <ashwinik@codeaurora.org>
parent 73135edf

drivers/media/platform/msm/camera_v2/fd/msm_fd_hw.c

+8 −0
Original line number Diff line number Diff line
@@ -493,6 +493,14 @@ static void msm_fd_hw_halt(struct msm_fd_device *fd) 
		if (!time)

			dev_err(fd->dev, "Face detection halt timeout\n");



		/* Reset sequence after halt */

		msm_fd_hw_write_reg(fd, MSM_FD_IOMEM_MISC, MSM_FD_MISC_SW_RESET,

			MSM_FD_MISC_SW_RESET_SET);

		msm_fd_hw_write_reg(fd, MSM_FD_IOMEM_CORE, MSM_FD_CONTROL,

			MSM_FD_CONTROL_SRST);

		msm_fd_hw_write_reg(fd, MSM_FD_IOMEM_MISC,

			MSM_FD_MISC_SW_RESET, 0);

		msm_fd_hw_write_reg(fd, MSM_FD_IOMEM_CORE, MSM_FD_CONTROL, 0);

	}

}