Messages in this thread Patch in this message | | | Subject | [PATCH 1/2] soc_mediabus: export a useful method to obtain the number of samples that makes up a pixel format | From | Alberto Panizzo <> | Date | Wed, 12 Jan 2011 12:16:19 +0100 |
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Signed-off-by: Alberto Panizzo <maramaopercheseimorto@gmail.com> --- drivers/media/video/soc_mediabus.c | 14 ++++++++++++++ include/media/soc_mediabus.h | 1 + 2 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/soc_mediabus.c b/drivers/media/video/soc_mediabus.c index 9139121..5bba424 100644 --- a/drivers/media/video/soc_mediabus.c +++ b/drivers/media/video/soc_mediabus.c @@ -132,6 +132,20 @@ static const struct soc_mbus_pixelfmt mbus_fmt[] = { }, }; +s32 soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf) +{ + switch (mf->packing) { + case SOC_MBUS_PACKING_NONE: + case SOC_MBUS_PACKING_EXTEND16: + return 1; + case SOC_MBUS_PACKING_2X8_PADHI: + case SOC_MBUS_PACKING_2X8_PADLO: + return 2; + } + return -EINVAL; +} +EXPORT_SYMBOL(soc_mbus_samples_per_pixel); + s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf) { switch (mf->packing) { diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h index 037cd7b..f21cbd0 100644 --- a/include/media/soc_mediabus.h +++ b/include/media/soc_mediabus.h @@ -61,5 +61,6 @@ struct soc_mbus_pixelfmt { const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc( enum v4l2_mbus_pixelcode code); s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf); +s32 soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf); #endif -- 1.7.1
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