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Commit 7393de60 authored by Josh Wu's avatar Josh Wu Committed by Mauro Carvalho Chehab
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[media] atmel-isi: setup YCC_SWAP correctly when using preview path 



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: default avatarJosh Wu <josh.wu@atmel.com>
Signed-off-by: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent bd70f260

drivers/media/platform/soc_camera/atmel-isi.c

+14 −0
Original line number Diff line number Diff line
@@ -117,6 +117,20 @@ static u32 setup_cfg2_yuv_swap(struct atmel_isi *isi, 
		case MEDIA_BUS_FMT_YVYU8_2X8:

			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;

		}

	}



	/*