korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-19 18:24:14 +08:00
Code Issues Packages Projects Releases Wiki Activity

[media] gspca - mars: Add illuminator controls

Browse Source 
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2010-10-16 14:12:53 -03:00 committed by Mauro Carvalho Chehab
parent d401549313
commit fba39807ce
1 changed files with 80 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
drivers/media/video/gspca/mars.c
View File

@ -34,6 +34,8 @@ enum e_ctrl {
COLORS,
GAMMA,
SHARPNESS,
ILLUM_TOP,
ILLUM_BOT,
NCTRLS /* number of controls */
};
@ -56,6 +58,8 @@ static void setbrightness(struct gspca_dev *gspca_dev);
static void setcolors(struct gspca_dev *gspca_dev);
static void setgamma(struct gspca_dev *gspca_dev);
static void setsharpness(struct gspca_dev *gspca_dev);
static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val);
static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val);
static const struct ctrl sd_ctrls[NCTRLS] = {
[BRIGHTNESS] = {
@ -106,6 +110,32 @@ static const struct ctrl sd_ctrls[NCTRLS] = {
},
.set_control = setsharpness
},
[ILLUM_TOP] = {
{
.id = V4L2_CID_ILLUMINATORS_1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Top illuminator",
.minimum = 0,
.maximum = 1,
.step = 1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_UPDATE,
},
.set = sd_setilluminator1
},
[ILLUM_BOT] = {
{
.id = V4L2_CID_ILLUMINATORS_2,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Bottom illuminator",
.minimum = 0,
.maximum = 1,
.step = 1,
.default_value = 0,
.flags = V4L2_CTRL_FLAG_UPDATE,
},
.set = sd_setilluminator2
},
};
static const struct v4l2_pix_format vga_mode[] = {
@ -205,6 +235,20 @@ static void setsharpness(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 2);
}
static void setilluminators(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
gspca_dev->usb_buf[0] = 0x22;
if (sd->ctrls[ILLUM_TOP].val)
gspca_dev->usb_buf[1] = 0x76;
else if (sd->ctrls[ILLUM_BOT].val)
gspca_dev->usb_buf[1] = 0x7a;
else
gspca_dev->usb_buf[1] = 0x7e;
reg_w(gspca_dev, 2);
}
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
@ -224,6 +268,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT);
return 0;
}
@ -319,11 +364,22 @@ static int sd_start(struct gspca_dev *gspca_dev)
data[1] = 0x4d; /* ISOC transfering enable... */
reg_w(gspca_dev, 2);
gspca_dev->ctrl_inac = 0; /* activate the illuminator controls */
return gspca_dev->usb_err;
}
static void sd_stopN(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT);
if (sd->ctrls[ILLUM_TOP].val || sd->ctrls[ILLUM_BOT].val) {
sd->ctrls[ILLUM_TOP].val = 0;
sd->ctrls[ILLUM_BOT].val = 0;
setilluminators(gspca_dev);
msleep(20);
}
gspca_dev->usb_buf[0] = 1;
gspca_dev->usb_buf[1] = 0;
reg_w(gspca_dev, 2);
@ -367,6 +423,30 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
/* only one illuminator may be on */
sd->ctrls[ILLUM_TOP].val = val;
if (val)
sd->ctrls[ILLUM_BOT].val = 0;
setilluminators(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
/* only one illuminator may be on */
sd->ctrls[ILLUM_BOT].val = val;
if (val)
sd->ctrls[ILLUM_TOP].val = 0;
setilluminators(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_set_jcomp(struct gspca_dev *gspca_dev,
struct v4l2_jpegcompression *jcomp)
{