[COMMON] fimc-is2: Add AWB limit check for 2X5SP

Change-Id: Ib6c4ed307826fad3f3d64dd5f4627630ca7e57f0
Signed-off-by: wangdw10 <wangdw10@lenovo.com>

diff --git a/drivers/media/platform/exynos/fimc-is2/sensor/module_framework/cis/fimc-is-cis-2x5sp.c b/drivers/media/platform/exynos/fimc-is2/sensor/module_framework/cis/fimc-is-cis-2x5sp.c
index c569d1b1c0c88edfd1febff4dde70f00f66ef338..bb9dc5e4c217b17d6c940d04f9a85f1b7c7e9470 100644 (file)
--- a/drivers/media/platform/exynos/fimc-is2/sensor/module_framework/cis/fimc-is-cis-2x5sp.c
+++ b/drivers/media/platform/exynos/fimc-is2/sensor/module_framework/cis/fimc-is-cis-2x5sp.c
@@ -191,6 +191,36 @@ int sensor_2x5sp_cis_otp_check_awb_ratio(char *unit, char *golden, char *limit)
        return ret;
 }
 
+int sensor_2x5sp_cis_otp_check_awb_ratio(char *unit, char *golden, char *limit)
+{
+       int ret = 0;
+
+       float r_g_min = (float)(limit[0]) / 1000;
+       float r_g_max = (float)(limit[1]) / 1000;
+       float b_g_min = (float)(limit[2]) / 1000;
+       float b_g_max = (float)(limit[3]) / 1000;
+
+       float rg = (float) ((unit[1]) | (unit[0] << 8)) / 16384;
+       float bg = (float) ((unit[3]) | (unit[2] << 8)) / 16384;
+
+       float golden_rg = (float) ((golden[1]) | (golden[0] << 8)) / 16384;
+       float golden_bg = (float) ((golden[3]) | (golden[2] << 8)) / 16384;
+
+       if (rg < (golden_rg - r_g_min) || rg > (golden_rg + r_g_max)) {
+               err("%s(): Final RG calibration factors out of range! rg=0x%x golden_rg=0x%x",
+                       __func__, (unit[1] | unit[0] << 8), (golden[1] | golden[0] << 8));
+               ret = 1;
+       }
+
+       if (bg < (golden_bg - b_g_min) || bg > (golden_bg + b_g_max)) {
+               err("%s(): Final BG calibration factors out of range! bg=0x%x, golden_bg=0x%x",
+                       __func__, (unit[3] | unit[2] << 8), (golden[3] | golden[2] << 8));
+               ret = 1;
+       }
+
+       return ret;
+}
+
 int sensor_2x5sp_cis_otp_check_crc(struct v4l2_subdev *subdev,
                struct fimc_is_device_sensor *device, int group)
 {