diff options
Diffstat (limited to 'drivers/staging/media')
| -rw-r--r-- | drivers/staging/media/imx/imx7-mipi-csis.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index 84d2eddcf952..44873a0ceb78 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -258,7 +258,6 @@ struct csi_state { }; struct csis_pix_format { - unsigned int pix_width_alignment; u32 code; u32 fmt_reg; u8 width; @@ -774,6 +773,7 @@ static int mipi_csis_set_fmt(struct v4l2_subdev *mipi_sd, struct csi_state *state = mipi_sd_to_csis_state(mipi_sd); struct csis_pix_format const *csis_fmt; struct v4l2_mbus_framefmt *fmt; + unsigned int align; /* * The CSIS can't transcode in any way, the source format can't be @@ -798,8 +798,31 @@ static int mipi_csis_set_fmt(struct v4l2_subdev *mipi_sd, fmt->width = sdformat->format.width; fmt->height = sdformat->format.height; - v4l_bound_align_image(&fmt->width, 1, CSIS_MAX_PIX_WIDTH, - csis_fmt->pix_width_alignment, + /* + * The total number of bits per line must be a multiple of 8. We thus + * need to align the width for formats that are not multiples of 8 + * bits. + */ + switch (csis_fmt->width % 8) { + case 0: + align = 1; + break; + case 4: + align = 2; + break; + case 2: + case 6: + align = 4; + break; + case 1: + case 3: + case 5: + case 7: + align = 8; + break; + } + + v4l_bound_align_image(&fmt->width, 1, CSIS_MAX_PIX_WIDTH, align, &fmt->height, 1, CSIS_MAX_PIX_HEIGHT, 1, 0); sdformat->format = *fmt; |