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Commit a66d2336 authored by Jonathan Corbet's avatar Jonathan Corbet Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (4908): Remove the fake RGB32 format from cafe_ccic 



Remove RGB32, useful for debugging, but with no place in production.

Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent bf5dbed6

drivers/media/video/cafe_ccic.c

+3 −39
Original line number Diff line number Diff line
@@ -612,16 +612,6 @@ static void cafe_ctlr_image(struct cafe_camera *cam) 
			    C0_DF_MASK);

	    break;



	/*

	 * For "fake rgb32" get the image pitch right.

	 */

	case V4L2_PIX_FMT_RGB32:

	    cafe_reg_write_mask(cam, REG_IMGPITCH, fmt->bytesperline/2,

			    IMGP_YP_MASK);

	    imgsz = ((fmt->height << IMGSZ_V_SHIFT) & IMGSZ_V_MASK) |

		    ((fmt->bytesperline/2) & IMGSZ_H_MASK);

	    cafe_reg_write(cam, REG_IMGSIZE, imgsz);

	    /* fall into ... */

	case V4L2_PIX_FMT_RGB444:

	    cafe_reg_write_mask(cam, REG_CTRL0,

			    C0_DF_RGB|C0_RGBF_444|C0_RGB4_XRGB,
@@ -902,11 +892,8 @@ static int cafe_alloc_dma_bufs(struct cafe_camera *cam, int loadtime) 
	cafe_set_config_needed(cam, 1);

	if (loadtime)

		cam->dma_buf_size = dma_buf_size;

	else {

	else

		cam->dma_buf_size = cam->pix_format.sizeimage;

		if (cam->pix_format.pixelformat == V4L2_PIX_FMT_RGB32)

			cam->dma_buf_size /= 2;

	}

	if (n_dma_bufs > 3)

		n_dma_bufs = 3;
@@ -1751,26 +1738,6 @@ static struct video_device cafe_v4l_template = { 
 * Interrupt handler stuff

 */



/*

 * Create RGB32 from RGB444 so it can be displayed before the applications

 * know about the latter format.

 */

static void cafe_fake_rgb32(struct cafe_camera *cam, char *dest, char *src)

{

	int i;

	u16 *ssrc = (u16 *) src;



	/* RGB444 version */

	for (i = 0; i < cam->pix_format.sizeimage; i += 4) {

	//		dest[0] = (*ssrc & 0xf000) >> 8;

		dest[0] = (*ssrc & 0x000f) << 4;

		dest[1] = (*ssrc & 0x00f0);

		dest[2] = (*ssrc & 0x0f00) >> 4;

		dest[3] = (*ssrc & 0xf000);   /* Alpha */

		dest += 4;

		ssrc++;

	}

}





static void cafe_frame_tasklet(unsigned long data)
@@ -1800,9 +1767,6 @@ static void cafe_frame_tasklet(unsigned long data) 
		 */

		sbuf = list_entry(cam->sb_avail.next,

				struct cafe_sio_buffer, list);

		if (cam->pix_format.pixelformat == V4L2_PIX_FMT_RGB32)

			cafe_fake_rgb32(cam, sbuf->buffer, cam->dma_bufs[bufno]);

		else

		memcpy(sbuf->buffer, cam->dma_bufs[bufno],

				cam->pix_format.sizeimage);

		sbuf->v4lbuf.bytesused = cam->pix_format.sizeimage;

drivers/media/video/ov7670.c

+0 −15
Original line number Diff line number Diff line
@@ -497,19 +497,6 @@ static struct ov7670_format_struct { 
		.regs		= ov7670_fmt_rgb565,

		.cmatrix	= { 179, -179, 0, -61, -176, 228 },

	},

	/*

	 * Pretend we do RGB32.  This is here on the assumption that the

	 * upper layer will reformat RGB444 appropriately.

	 *

	 * The entire purpose for this thing's existence is to enable easy

	 * display of RGB444 for debugging purposes.  It will come out soon.

	 */

	{

		.desc		= "RGB32 (faked)",

		.pixelformat	= V4L2_PIX_FMT_RGB32,

		.regs		= ov7670_fmt_rgb444,

		.cmatrix	= { 179, -179, 0, -61, -176, 228 },

	},

};

#define N_OV7670_FMTS (sizeof(ov7670_formats)/sizeof(ov7670_formats[0]))
@@ -694,8 +681,6 @@ static int ov7670_try_fmt(struct i2c_client *c, struct v4l2_format *fmt, 
	pix->width = wsize->width;

	pix->height = wsize->height;

	pix->bytesperline = pix->width*BYTES_PER_PIXEL;

	if (pix->pixelformat == V4L2_PIX_FMT_RGB32)

		pix->bytesperline *= 2;

	pix->sizeimage = pix->height*pix->bytesperline;

	return 0;

}