[media] media: mx2_camera: Add image size HW limits (6ec5575c) · Commits · 戴 / test

The CSI on i.MX27 has some constraints regarding image width. This patch makes sure those requirements are met in try_fmt(). Signed-off-by:

Javier Martin <javier.martin@vista-silicon.com> [g.liakhovetski@gmx.de: make constraint i.MX27-specific] Signed-off-by:

drivers/media/platform/soc_camera/mx2_camera.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -1394,8 +1394,6 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
		return -EINVAL;
		}

		/* FIXME: implement MX27 limits */

		/* limit to MX25 hardware capabilities */
		if (cpu_is_mx25()) {
		if (xlate->host_fmt->bits_per_sample <= 8)
		@@ -1427,6 +1425,12 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
		pix->sizeimage = soc_mbus_image_size(xlate->host_fmt,
		pix->bytesperline, pix->height);
		}
		} else {
		/*
		* Width must be a multiple of 8 as requested by the CSI.
		* (Table 39-2 in the i.MX27 Reference Manual).
		*/
		pix->width &= ~0x7;
		}

		/* limit to sensor capabilities */