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path: root/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
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Diffstat (limited to 'drivers/media/platform/rockchip/rkisp1/rkisp1-common.c')
-rw-r--r--drivers/media/platform/rockchip/rkisp1/rkisp1-common.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
index f956b90a407a..60c97bb7b18b 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
@@ -178,3 +178,17 @@ void rkisp1_sd_adjust_crop(struct v4l2_rect *crop,
rkisp1_sd_adjust_crop_rect(crop, &crop_bounds);
}
+
+void rkisp1_bls_swap_regs(enum rkisp1_fmt_raw_pat_type pattern,
+ const u32 input[4], u32 output[4])
+{
+ static const unsigned int swap[4][4] = {
+ [RKISP1_RAW_RGGB] = { 0, 1, 2, 3 },
+ [RKISP1_RAW_GRBG] = { 1, 0, 3, 2 },
+ [RKISP1_RAW_GBRG] = { 2, 3, 0, 1 },
+ [RKISP1_RAW_BGGR] = { 3, 2, 1, 0 },
+ };
+
+ for (unsigned int i = 0; i < 4; ++i)
+ output[i] = input[swap[pattern][i]];
+}