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[media] atmel-isi: setup YCC_SWAP correctly when using preview path

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The preview path only can convert UYVY format to RGB data.

To make preview path work correctly, we need to set up YCC_SWAP
according to sensor output and convert them to UYVY.

Signed-off-by: Josh Wu <josh.wu@atmel.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Josh Wu 2015-11-03 03:45:11 -02:00 committed by Mauro Carvalho Chehab
parent bd70f260cb
commit 7393de60a2
1 changed files with 14 additions and 0 deletions
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14
drivers/media/platform/soc_camera/atmel-isi.c
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@ -117,6 +117,20 @@ static u32 setup_cfg2_yuv_swap(struct atmel_isi *isi,
case MEDIA_BUS_FMT_YVYU8_2X8: case MEDIA_BUS_FMT_YVYU8_2X8:
return ISI_CFG2_YCC_SWAP_MODE_1; return ISI_CFG2_YCC_SWAP_MODE_1;
} }
} else if (xlate->host_fmt->fourcc == V4L2_PIX_FMT_RGB565) {
/*
* Preview path is enabled, it will convert UYVY to RGB format.
* But if sensor output format is not UYVY, we need to set
* YCC_SWAP_MODE to convert it as UYVY.
*/
switch (xlate->code) {
case MEDIA_BUS_FMT_VYUY8_2X8:
return ISI_CFG2_YCC_SWAP_MODE_1;
case MEDIA_BUS_FMT_YUYV8_2X8:
return ISI_CFG2_YCC_SWAP_MODE_2;
case MEDIA_BUS_FMT_YVYU8_2X8:
return ISI_CFG2_YCC_SWAP_MODE_3;
}
} }
/* /*