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[PATCH] v4l: 786: chip id removed since it isn t required anymore 

- Chip_id removed since it isn't required anymore.

Signed-off-by: Sascha Sommer <saschasommer@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Sascha Sommer 2005-11-08 21:37:33 -08:00 committed by Linus Torvalds
parent d5e5265315
commit 74458e6c1a
4 changed files with 24 additions and 4 deletions
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3
drivers/media/video/em28xx/em28xx-cards.c
View File

@ -160,7 +160,6 @@ struct em2820_board em2820_boards[] = {
},
[EM2800_BOARD_TERRATEC_CINERGY_200] = {
.name = "Terratec Cinergy 200 USB",
.chip_id = 0x4,
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
@ -184,7 +183,6 @@ struct em2820_board em2820_boards[] = {
},
[EM2800_BOARD_LEADTEK_WINFAST_USBII] = {
.name = "Leadtek Winfast USB II",
.chip_id = 0x2,
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,
@ -208,7 +206,6 @@ struct em2820_board em2820_boards[] = {
},
[EM2800_BOARD_KWORLD_USB2800] = {
.name = "Kworld USB2800",
.chip_id = 0x7,
.is_em2800 = 1,
.vchannels = 3,
.norm = VIDEO_MODE_PAL,

12
drivers/media/video/em28xx/em28xx-core.c
View File

@ -437,6 +437,18 @@ int em2820_scaler_set(struct em2820 *dev, u16 h, u16 v)
buf[0] = v;
buf[1] = v >> 8;
em2820_write_regs(dev, VSCALELOW_REG, (char *)buf, 2);
if(dev->is_em2800){
/* FIXME */
/* random ratio scaling and 720x567 doesn't seem to work */
/* the maximum we can get is 640x480 with disabled scaler */
/* and norm_maxw set to 640 */
if(dev->width == 640 && dev->height == 480)
return em2820_write_regs(dev, COMPR_REG,"\x00",1);
if(dev->height > 288)
return em2820_write_regs(dev, COMPR_REG,"\x10",1);
if(dev->width > 360)
return em2820_write_regs(dev, COMPR_REG,"\x20",1);
}
/* when H and V mixershould be used? */
/* return em2820_write_reg_bits(dev, COMPR_REG, (h ? 0x20 : 0x00) | (v ? 0x10 : 0x00), 0x30); */
/* it seems that both H and V scalers must be active to work correctly */

12
drivers/media/video/em28xx/em28xx-video.c
View File

@ -1272,6 +1272,18 @@ static int em2820_video_do_ioctl(struct inode *inode, struct file *filp,
if (width > maxw)
width = maxw;
/* FIXME*/
if(dev->is_em2800){
/* we only know how to scale to 50% */
if(height % (maxh / 2))
height=maxh;
if(width % (maxw / 2))
width=maxw;
/* larger resoltion don't seem to work either */
if(width == maxw && height == maxh)
width /= 2;
}
if ((hscale =
(((unsigned long)maxw) << 12) / width - 4096L) >=
0x4000)

1
drivers/media/video/em28xx/em28xx.h
View File

@ -159,7 +159,6 @@ enum em2820_decoder {
struct em2820_board {
char *name;
unsigned char chip_id;
int vchannels;
int norm;
int tuner_type;