diff options
Diffstat (limited to 'drivers/media/i2c/ov7670.c')
| -rw-r--r-- | drivers/media/i2c/ov7670.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/i2c/ov7670.c b/drivers/media/i2c/ov7670.c index f2fe20aad274..d16bd81e669d 100644 --- a/drivers/media/i2c/ov7670.c +++ b/drivers/media/i2c/ov7670.c @@ -1073,10 +1073,33 @@ static int ov7670_enum_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_interval_enum *fie) { + struct ov7670_info *info = to_state(sd); + unsigned int n_win_sizes = info->devtype->n_win_sizes; + int i; + if (fie->pad) return -EINVAL; if (fie->index >= ARRAY_SIZE(ov7670_frame_rates)) return -EINVAL; + + /* + * Check if the width/height is valid. + * + * If a minimum width/height was requested, filter out the capture + * windows that fall outside that. + */ + for (i = 0; i < n_win_sizes; i++) { + struct ov7670_win_size *win = &info->devtype->win_sizes[i]; + + if (info->min_width && win->width < info->min_width) + continue; + if (info->min_height && win->height < info->min_height) + continue; + if (fie->width == win->width && fie->height == win->height) + break; + } + if (i == n_win_sizes) + return -EINVAL; fie->interval.numerator = 1; fie->interval.denominator = ov7670_frame_rates[fie->index]; return 0; |