evie/android_kernel_oneplus_msm8998
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msm: fd: Add FD HW reset sequence after halt

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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: Ashwini Rao <ashwinik@codeaurora.org>
This commit is contained in:
Ashwini Rao 2016-01-21 15:17:21 -08:00 • committed by David Keitel
parent 850b0ec74f
commit 0f31b83fcf
1 changed files with 8 additions and 0 deletions
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8
drivers/media/platform/msm/camera_v2/fd/msm_fd_hw.c
View file

@ -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);
}
}