diff options
Diffstat (limited to 'drivers/media/i2c/soc_camera/mt9v022.c')
| -rw-r--r-- | drivers/media/i2c/soc_camera/mt9v022.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/media/i2c/soc_camera/mt9v022.c b/drivers/media/i2c/soc_camera/mt9v022.c index a5e65d6a0781..a295e598486f 100644 --- a/drivers/media/i2c/soc_camera/mt9v022.c +++ b/drivers/media/i2c/soc_camera/mt9v022.c @@ -275,6 +275,7 @@ static int mt9v022_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) struct i2c_client *client = v4l2_get_subdevdata(sd); struct mt9v022 *mt9v022 = to_mt9v022(client); struct v4l2_rect rect = a->c; + int min_row, min_blank; int ret; /* Bayer format - even size lengths */ @@ -310,13 +311,21 @@ static int mt9v022_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) ret = reg_write(client, MT9V022_COLUMN_START, rect.left); if (!ret) ret = reg_write(client, MT9V022_ROW_START, rect.top); + /* + * mt9v022: min total row time is 660 columns, min blanking is 43 + * mt9v024: min total row time is 690 columns, min blanking is 61 + */ + if (is_mt9v024(mt9v022->chip_version)) { + min_row = 690; + min_blank = 61; + } else { + min_row = 660; + min_blank = 43; + } if (!ret) - /* - * Default 94, Phytec driver says: - * "width + horizontal blank >= 660" - */ ret = v4l2_ctrl_s_ctrl(mt9v022->hblank, - rect.width > 660 - 43 ? 43 : 660 - rect.width); + rect.width > min_row - min_blank ? + min_blank : min_row - rect.width); if (!ret) ret = v4l2_ctrl_s_ctrl(mt9v022->vblank, 45); if (!ret) @@ -488,7 +497,7 @@ static int mt9v022_g_register(struct v4l2_subdev *sd, } static int mt9v022_s_register(struct v4l2_subdev *sd, - struct v4l2_dbg_register *reg) + const struct v4l2_dbg_register *reg) { struct i2c_client *client = v4l2_get_subdevdata(sd); |