[v2] mx2_camera: remove emma limitation for RGB565
Commit Message
X-Uptime: 16:20:11 up 37 days, 5:31, 61 users, load average: 0.68, 0.32,
0.30
In the current source status the emma has no limitation for any PIXFMT
since the data is parsed raw and unprocessed into the memory.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
v1 -> v2
Changed Comment in emma_buf_init as recommended
drivers/media/video/mx2_camera.c | 15 +++++----------
1 files changed, 5 insertions(+), 10 deletions(-)
@@ -712,8 +712,11 @@ static void mx27_camera_emma_buf_init(struct soc_camera_device *icd,
/*
* We only use the EMMA engine to get rid of the broken
* DMA Engine. No color space consversion at the moment.
- * We adjust incoming and outgoing pixelformat to rgb16
- * and adjust the bytesperline accordingly.
+ * We set the incomming and outgoing pixelformat to an
+ * 16 Bit wide format and adjust the bytesperline
+ * accordingly. With this configuration the inputdata
+ * will not be changed by the emma and could be any type
+ * of 16 Bit Pixelformat.
*/
writel(PRP_CNTL_CH1EN |
PRP_CNTL_CSIEN |
@@ -897,10 +900,6 @@ static int mx2_camera_set_fmt(struct soc_camera_device *icd,
return -EINVAL;
}
- /* eMMA can only do RGB565 */
- if (mx27_camera_emma(pcdev) && pix->pixelformat != V4L2_PIX_FMT_RGB565)
- return -EINVAL;
-
mf.width = pix->width;
mf.height = pix->height;
mf.field = pix->field;
@@ -944,10 +943,6 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd,
/* FIXME: implement MX27 limits */
- /* eMMA can only do RGB565 */
- if (mx27_camera_emma(pcdev) && pixfmt != V4L2_PIX_FMT_RGB565)
- return -EINVAL;
-
/* limit to MX25 hardware capabilities */
if (cpu_is_mx25()) {
if (xlate->host_fmt->bits_per_sample <= 8)