Convert if-statements to switch statement. Removes
duplicated code.

Reviewed-by: Andrzej Hajda <a.ha...@samsung.com>
Signed-off-by: Tobias Jakobi <tjak...@math.uni-bielefeld.de>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c 
b/drivers/gpu/drm/exynos/exynos_mixer.c
index 72143ac..41d0c36 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -382,29 +382,14 @@ static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, 
unsigned int height)
        struct mixer_resources *res = &ctx->mixer_res;
        u32 val;
 
-       if (height == 480) {
+       switch (height) {
+       case 480:
+       case 576:
                val = MXR_CFG_RGB601_0_255;
-       } else if (height == 576) {
-               val = MXR_CFG_RGB601_0_255;
-       } else if (height == 720) {
-               val = MXR_CFG_RGB709_16_235;
-               mixer_reg_write(res, MXR_CM_COEFF_Y,
-                               (1 << 30) | (94 << 20) | (314 << 10) |
-                               (32 << 0));
-               mixer_reg_write(res, MXR_CM_COEFF_CB,
-                               (972 << 20) | (851 << 10) | (225 << 0));
-               mixer_reg_write(res, MXR_CM_COEFF_CR,
-                               (225 << 20) | (820 << 10) | (1004 << 0));
-       } else if (height == 1080) {
-               val = MXR_CFG_RGB709_16_235;
-               mixer_reg_write(res, MXR_CM_COEFF_Y,
-                               (1 << 30) | (94 << 20) | (314 << 10) |
-                               (32 << 0));
-               mixer_reg_write(res, MXR_CM_COEFF_CB,
-                               (972 << 20) | (851 << 10) | (225 << 0));
-               mixer_reg_write(res, MXR_CM_COEFF_CR,
-                               (225 << 20) | (820 << 10) | (1004 << 0));
-       } else {
+               break;
+       case 720:
+       case 1080:
+       default:
                val = MXR_CFG_RGB709_16_235;
                mixer_reg_write(res, MXR_CM_COEFF_Y,
                                (1 << 30) | (94 << 20) | (314 << 10) |
@@ -413,6 +398,7 @@ static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, 
unsigned int height)
                                (972 << 20) | (851 << 10) | (225 << 0));
                mixer_reg_write(res, MXR_CM_COEFF_CR,
                                (225 << 20) | (820 << 10) | (1004 << 0));
+               break;
        }
 
        mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_RGB_FMT_MASK);
-- 
2.7.3

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