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[v3,08/10] media: i2c: imx290: Add support to enumerate all frame sizes

Message ID 20200524192505.20682-9-andrey.konovalov@linaro.org
State New
Headers show
Series Improvements to IMX290 CMOS driver | expand

Commit Message

Andrey Konovalov May 24, 2020, 7:25 p.m. UTC 
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Add support to enumerate all frame sizes supported by IMX290. This is
required for using with userspace tools such as libcamera.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Andrey Konovalov <andrey.konovalov@linaro.org>
---
 drivers/media/i2c/imx290.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
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Patch

diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index 6e70ff22bc5f..88850f3b1427 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -471,6 +471,25 @@  static int imx290_enum_mbus_code(struct v4l2_subdev *sd,
 	return 0;
 }
 
+static int imx290_enum_frame_size(struct v4l2_subdev *subdev,
+				  struct v4l2_subdev_pad_config *cfg,
+				  struct v4l2_subdev_frame_size_enum *fse)
+{
+	if ((fse->code != imx290_formats[0].code) &&
+	    (fse->code != imx290_formats[1].code))
+		return -EINVAL;
+
+	if (fse->index >= ARRAY_SIZE(imx290_modes))
+		return -EINVAL;
+
+	fse->min_width = imx290_modes[fse->index].width;
+	fse->max_width = imx290_modes[fse->index].width;
+	fse->min_height = imx290_modes[fse->index].height;
+	fse->max_height = imx290_modes[fse->index].height;
+
+	return 0;
+}
+
 static int imx290_get_fmt(struct v4l2_subdev *sd,
 			  struct v4l2_subdev_pad_config *cfg,
 			  struct v4l2_subdev_format *fmt)
@@ -850,6 +869,7 @@  static const struct v4l2_subdev_video_ops imx290_video_ops = {
 static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
 	.init_cfg = imx290_entity_init_cfg,
 	.enum_mbus_code = imx290_enum_mbus_code,
+	.enum_frame_size = imx290_enum_frame_size,
 	.get_fmt = imx290_get_fmt,
 	.set_fmt = imx290_set_fmt,
 };