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V4L/DVB (10384): gspca - spca505: Simplify and add the brightness in start. 

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-Francois Moine 2009-01-23 14:42:03 -03:00 committed by Mauro Carvalho Chehab
parent 16631aedb2
commit a5df5c1433
1 changed files with 34 additions and 47 deletions
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81
drivers/media/video/gspca/spca505.c
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@ -64,12 +64,12 @@ static const struct v4l2_pix_format vga_mode[] = {
.bytesperline = 160,
.sizeimage = 160 * 120 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 5},
.priv = 4},
{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 176,
.sizeimage = 176 * 144 * 3 / 2,
.colorspace = V4L2_COLORSPACE_SRGB,
.priv = 4},
.priv = 3},
{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
.bytesperline = 320,
.sizeimage = 320 * 240 * 3 / 2,
@ -93,6 +93,7 @@ static const struct v4l2_pix_format vga_mode[] = {
#define SPCA50X_USB_CTRL 0x00 /* spca505 */
#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
#define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
@ -101,6 +102,9 @@ static const struct v4l2_pix_format vga_mode[] = {
#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
#define SPCA50X_GMISC3_SAA7113RST 0x20 /* Not sure about this one spca505 */
/* Image format and compression control */
#define SPCA50X_REG_COMPRESS 0x04
/*
* Data to initialize a SPCA505. Common to the CCD and external modes
*/
@ -670,55 +674,48 @@ static int sd_init(struct gspca_dev *gspca_dev)
ret = reg_write(gspca_dev->dev, 0x06, 0x16, 0x0a);
if (ret < 0)
return ret;
reg_write(gspca_dev->dev, 0x05, 0xc2, 18);
reg_write(gspca_dev->dev, 0x05, 0xc2, 0x12);
return 0;
}
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 brightness = sd->brightness;
reg_write(gspca_dev->dev, 0x05, 0x00, (255 - brightness) >> 6);
reg_write(gspca_dev->dev, 0x05, 0x01, (255 - brightness) << 2);
}
static int sd_start(struct gspca_dev *gspca_dev)
{
struct usb_device *dev = gspca_dev->dev;
int ret;
int ret, mode;
static u8 mode_tb[][3] = {
/* r00 r06 r07 */
{0x00, 0x10, 0x10}, /* 640x480 */
{0x01, 0x1a, 0x1a}, /* 352x288 */
{0x02, 0x1c, 0x1d}, /* 320x240 */
{0x04, 0x34, 0x34}, /* 176x144 */
{0x05, 0x40, 0x40} /* 160x120 */
};
/* necessary because without it we can see stream
* only once after loading module */
/* stopping usb registers Tomasz change */
reg_write(dev, 0x02, 0x0, 0x0);
switch (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
case 0:
reg_write(dev, 0x04, 0x00, 0x00);
reg_write(dev, 0x04, 0x06, 0x10);
reg_write(dev, 0x04, 0x07, 0x10);
break;
case 1:
reg_write(dev, 0x04, 0x00, 0x01);
reg_write(dev, 0x04, 0x06, 0x1a);
reg_write(dev, 0x04, 0x07, 0x1a);
break;
case 2:
reg_write(dev, 0x04, 0x00, 0x02);
reg_write(dev, 0x04, 0x06, 0x1c);
reg_write(dev, 0x04, 0x07, 0x1d);
break;
case 4:
reg_write(dev, 0x04, 0x00, 0x04);
reg_write(dev, 0x04, 0x06, 0x34);
reg_write(dev, 0x04, 0x07, 0x34);
break;
default:
/* case 5: */
reg_write(dev, 0x04, 0x00, 0x05);
reg_write(dev, 0x04, 0x06, 0x40);
reg_write(dev, 0x04, 0x07, 0x40);
break;
}
/* Enable ISO packet machine - should we do this here or in ISOC init ? */
reg_write(dev, 0x02, 0x00, 0x00);
mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
reg_write(dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
reg_write(dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
reg_write(dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
ret = reg_write(dev, SPCA50X_REG_USB,
SPCA50X_USB_CTRL,
SPCA50X_CUSB_ENABLE);
/* reg_write(dev, 0x5, 0x0, 0x0); */
/* reg_write(dev, 0x5, 0x0, 0x1); */
/* reg_write(dev, 0x5, 0x11, 0x2); */
setbrightness(gspca_dev);
return ret;
}
@ -767,16 +764,6 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
}
}
static void setbrightness(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
u8 brightness = sd->brightness;
reg_write(gspca_dev->dev, 0x05, 0x00, (255 - brightness) >> 6);
reg_write(gspca_dev->dev, 0x05, 0x01, (255 - brightness) << 2);
}
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;