ENGR00162848 ov5642: Fix QVGA take photo very dark

Using small setting when switch from VGA to QVGA to take picture

Signed-off-by: Yuxi Sun <b36102@freescale.com>

diff --git a/drivers/media/video/mxc/capture/ov5642.c b/drivers/media/video/mxc/capture/ov5642.c
index afa15f02169893be4b818de45c328330bb93975c..a503bd0894dcb3cfbc9c137885dc25b276c8873a 100644 (file)
--- a/drivers/media/video/mxc/capture/ov5642.c
+++ b/drivers/media/video/mxc/capture/ov5642.c
@@ -649,6 +649,12 @@ static struct reg_value ov5642_setting_15fps_QSXGA_2592_1944[] = {
        {0x530c, 0x04, 0, 0}, {0x5312, 0x20, 0, 0}, {0x5282, 0x01, 0, 0},
 };
 
+
+static struct reg_value ov5642_setting_VGA_2_QVGA[] = {
+       {0x3808, 0x01, 0, 0}, {0x3809, 0x40, 0, 0}, {0x380a, 0x00, 0, 0},
+       {0x380b, 0xf0, 0, 0}, {0x3815, 0x04, 0, 0},
+};
+
 static struct reg_value ov5642_setting_QSXGA_2_VGA[] = {
        {0x3503, 0x00, 0, 0}, {0x3000, 0x00, 0, 0}, {0x3001, 0x00, 0, 0},
        {0x3002, 0x5c, 0, 0}, {0x3003, 0x00, 0, 0}, {0x3004, 0xff, 0, 0},
@@ -3108,6 +3114,11 @@ static int ov5642_change_mode(enum ov5642_frame_rate frame_rate,
                iModeSettingArySize = ARRAY_SIZE(ov5642_setting_QSXGA_2_VGA);
                ov5642_data.pix.width = 640;
                ov5642_data.pix.height = 480;
+       } else if (new_mode == ov5642_mode_QVGA_320_240 && orig_mode == ov5642_mode_VGA_640_480) {
+               pModeSetting = ov5642_setting_VGA_2_QVGA;
+               iModeSettingArySize = ARRAY_SIZE(ov5642_setting_VGA_2_QVGA);
+               ov5642_data.pix.width = 320;
+               ov5642_data.pix.height = 240;
        } else {
                retval = ov5642_init_mode(frame_rate, new_mode);
                goto err;