From 48a3c77338d725d4976fa792d822eb940ce5c296 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Wed, 12 Jan 2011 08:16:19 -0300 Subject: [media] V4L: soc_mediabus: add a method to obtain the number of samples per pixel Add a function to calculate the number of samples on the media-bus, required to retrieve one pixel of a certain format. Signed-off-by: Alberto Panizzo Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/soc_mediabus.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/media/video/soc_mediabus.c') diff --git a/drivers/media/video/soc_mediabus.c b/drivers/media/video/soc_mediabus.c index 91391214c682..73b4138709e4 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[] = { }, }; +int 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) { -- cgit v1.2.2 From 076704332ca6da550cbc279918ef8b88b4ac1e45 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 28 Sep 2010 07:01:44 -0300 Subject: [media] v4l: Rename V4L2_MBUS_FMT_GREY8_1X8 to V4L2_MBUS_FMT_Y8_1X8 For consistency with the V4L2_MBUS_FMT_Y10_1X10 format. Signed-off-by: Laurent Pinchart Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/soc_mediabus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/video/soc_mediabus.c') diff --git a/drivers/media/video/soc_mediabus.c b/drivers/media/video/soc_mediabus.c index 73b4138709e4..ed77aa055b63 100644 --- a/drivers/media/video/soc_mediabus.c +++ b/drivers/media/video/soc_mediabus.c @@ -88,7 +88,7 @@ static const struct soc_mbus_pixelfmt mbus_fmt[] = { .packing = SOC_MBUS_PACKING_EXTEND16, .order = SOC_MBUS_ORDER_LE, }, - [MBUS_IDX(GREY8_1X8)] = { + [MBUS_IDX(Y8_1X8)] = { .fourcc = V4L2_PIX_FMT_GREY, .name = "Grey", .bits_per_sample = 8, -- cgit v1.2.2