[PATCH 7/9] media: sun6i-csi: capture: Implement enum_framesizes
From: Paul Kocialkowski <hidden>
Date: 2023-03-24 15:13:31
Also in:
linux-media, linux-staging, linux-sunxi, lkml
Subsystem:
allwinner a31 csi driver, media input infrastructure (v4l/dvb), the rest · Maintainers:
Yong Deng, Paul Kocialkowski, Mauro Carvalho Chehab, Linus Torvalds
Report available frame sizes as a continuous range between the hardware min/max limits. Signed-off-by: Paul Kocialkowski <redacted> Co-authored-by: Adam Pigg [off-list ref] Signed-off-by: Adam Pigg <redacted> --- .../sunxi/sun6i-csi/sun6i_csi_capture.c | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
index 9627030ff060..31ba83014086 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c@@ -847,6 +847,30 @@ static int sun6i_csi_capture_try_fmt(struct file *file, void *private, return 0; } +static int +sun6i_csi_capture_enum_framesizes(struct file *file, void *fh, + struct v4l2_frmsizeenum *frmsizeenum) +{ + const struct sun6i_csi_capture_format *format; + + if (frmsizeenum->index > 0) + return -EINVAL; + + format = sun6i_csi_capture_format_find(frmsizeenum->pixel_format); + if (!format) + return -EINVAL; + + frmsizeenum->type = V4L2_FRMSIZE_TYPE_CONTINUOUS; + frmsizeenum->stepwise.min_width = SUN6I_CSI_CAPTURE_WIDTH_MIN; + frmsizeenum->stepwise.max_width = SUN6I_CSI_CAPTURE_WIDTH_MAX; + frmsizeenum->stepwise.min_height = SUN6I_CSI_CAPTURE_HEIGHT_MIN; + frmsizeenum->stepwise.max_height = SUN6I_CSI_CAPTURE_HEIGHT_MAX; + frmsizeenum->stepwise.step_width = 1; + frmsizeenum->stepwise.step_height = 1; + + return 0; +} + static int sun6i_csi_capture_enum_input(struct file *file, void *private, struct v4l2_input *input) {
@@ -884,6 +908,8 @@ static const struct v4l2_ioctl_ops sun6i_csi_capture_ioctl_ops = { .vidioc_s_fmt_vid_cap = sun6i_csi_capture_s_fmt, .vidioc_try_fmt_vid_cap = sun6i_csi_capture_try_fmt, + .vidioc_enum_framesizes = sun6i_csi_capture_enum_framesizes, + .vidioc_enum_input = sun6i_csi_capture_enum_input, .vidioc_g_input = sun6i_csi_capture_g_input, .vidioc_s_input = sun6i_csi_capture_s_input,
--
2.39.2
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