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V4L/DVB: gspca_cpia1: Add basic v4l2 illuminator controls for the Intel Play QX3

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This patch adds basic V4L2 controls for the illuminators on the Intel
Play QX3 microscope.

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Andy Walls 2010-09-12 14:45:14 -03:00 committed by Mauro Carvalho Chehab
parent 008d35f2f5
commit 51513353ec
1 changed files with 98 additions and 2 deletions
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100
drivers/media/video/gspca/cpia1.c
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@ -373,6 +373,10 @@ static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcomptarget(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcomptarget(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getilluminator1(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getilluminator2(struct gspca_dev *gspca_dev, __s32 *val);
static const struct ctrl sd_ctrls[] = {
{
@ -432,6 +436,34 @@ static const struct ctrl sd_ctrls[] = {
.set = sd_setfreq,
.get = sd_getfreq,
},
{
{
.id = V4L2_CID_ILLUMINATORS_1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Illuminator 1",
.minimum = 0,
.maximum = 1,
.step = 1,
#define ILLUMINATORS_1_DEF 0
.default_value = ILLUMINATORS_1_DEF,
},
.set = sd_setilluminator1,
.get = sd_getilluminator1,
},
{
{
.id = V4L2_CID_ILLUMINATORS_2,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Illuminator 2",
.minimum = 0,
.maximum = 1,
.step = 1,
#define ILLUMINATORS_2_DEF 0
.default_value = ILLUMINATORS_2_DEF,
},
.set = sd_setilluminator2,
.get = sd_getilluminator2,
},
{
{
#define V4L2_CID_COMP_TARGET V4L2_CID_PRIVATE_BASE
@ -1059,7 +1091,6 @@ static int command_resume(struct gspca_dev *gspca_dev)
0, sd->params.streamStartLine, 0, 0);
}
#if 0 /* Currently unused */
static int command_setlights(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
@ -1079,7 +1110,6 @@ static int command_setlights(struct gspca_dev *gspca_dev)
return do_command(gspca_dev, CPIA_COMMAND_WriteMCPort, 2, 0,
p1 | p2 | 0xE0, 0);
}
#endif
static int set_flicker(struct gspca_dev *gspca_dev, int on, int apply)
{
@ -1929,6 +1959,72 @@ static int sd_getcomptarget(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
static int sd_setilluminator(struct gspca_dev *gspca_dev, __s32 val, int n)
{
struct sd *sd = (struct sd *) gspca_dev;
int ret;
if (!sd->params.qx3.qx3_detected)
return -EINVAL;
switch (n) {
case 1:
sd->params.qx3.bottomlight = val ? 1 : 0;
break;
case 2:
sd->params.qx3.toplight = val ? 1 : 0;
break;
default:
return -EINVAL;
}
ret = command_setlights(gspca_dev);
if (ret && ret != -EINVAL)
ret = -EBUSY;
return ret;
}
static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val)
{
return sd_setilluminator(gspca_dev, val, 1);
}
static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val)
{
return sd_setilluminator(gspca_dev, val, 2);
}
static int sd_getilluminator(struct gspca_dev *gspca_dev, __s32 *val, int n)
{
struct sd *sd = (struct sd *) gspca_dev;
if (!sd->params.qx3.qx3_detected)
return -EINVAL;
switch (n) {
case 1:
*val = sd->params.qx3.bottomlight;
break;
case 2:
*val = sd->params.qx3.toplight;
break;
default:
return -EINVAL;
}
return 0;
}
static int sd_getilluminator1(struct gspca_dev *gspca_dev, __s32 *val)
{
return sd_getilluminator(gspca_dev, val, 1);
}
static int sd_getilluminator2(struct gspca_dev *gspca_dev, __s32 *val)
{
return sd_getilluminator(gspca_dev, val, 2);
}
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu)
{