V4L/DVB: mx2_camera: remove emma limitation for RGB565

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>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c
index 38d0947..3fba600 100644 (file)
--- a/drivers/media/video/mx2_camera.c
+++ b/drivers/media/video/mx2_camera.c
@@ -716,8 +716,11 @@ 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 |
@@ -903,10 +906,6 @@ 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;
@@ -950,10 +949,6 @@ 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)