On Tue, 28 Feb 2012 12:15:43 +0100
Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> wrote:
> > I checked the changes in zc3xx.c, and I have made many commits. So, it
> > would be simpler if you would remove your patch. I could give you a
> > merged one once the media tree would be updated.
>
> OK, if it's easier please carry the patch in your tree. Otherwise, let me
> handle it after our pull request are included in the media tree.
Hi Sylwester,
Here is the merge of your patch (origin media_tree staging/for_v3.4).
As I have an other patch to do to the driver, I may add it to my
changes once you have acked it (I have no webcam to test it).
Best regards.
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index c10bdb4..7bbdf83 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -44,6 +44,7 @@ enum e_ctrl {
AUTOGAIN,
LIGHTFREQ,
SHARPNESS,
+ QUALITY,
NCTRLS /* number of controls */
};
@@ -99,6 +100,7 @@ static void setexposure(struct gspca_dev *gspca_dev);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static void setlightfreq(struct gspca_dev *gspca_dev);
static void setsharpness(struct gspca_dev *gspca_dev);
+static int sd_setquality(struct gspca_dev *gspca_dev, __s32 val);
static const struct ctrl sd_ctrls[NCTRLS] = {
[BRIGHTNESS] = {
@@ -186,6 +188,18 @@ static const struct ctrl sd_ctrls[NCTRLS] = {
},
.set_control = setsharpness
},
+[QUALITY] = {
+ {
+ .id = V4L2_CID_JPEG_COMPRESSION_QUALITY,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "Compression Quality",
+ .minimum = 40,
+ .maximum = 70,
+ .step = 1,
+ .default_value = 70 /* updated in sd_init() */
+ },
+ .set = sd_setquality
+ },
};
static const struct v4l2_pix_format vga_mode[] = {
@@ -6151,6 +6165,7 @@ static void transfer_update(struct work_struct *work)
|| !gspca_dev->present
|| !gspca_dev->streaming)
goto err;
+ sd->ctrls[QUALITY].val = jpeg_qual[sd->reg08];
jpeg_set_qual(sd->jpeg_hdr,
jpeg_qual[sd->reg08]);
}
@@ -6717,13 +6732,20 @@ static int sd_init(struct gspca_dev *gspca_dev)
sd->ctrls[GAMMA].def = gamma[sd->sensor];
sd->reg08 = reg08_tb[sd->sensor];
+ sd->ctrls[QUALITY].def = jpeg_qual[sd->reg08];
+ sd->ctrls[QUALITY].min = jpeg_qual[0];
+ sd->ctrls[QUALITY].max = jpeg_qual[ARRAY_SIZE(jpeg_qual) - 1];
switch (sd->sensor) {
case SENSOR_HV7131R:
+ gspca_dev->ctrl_dis = (1 << QUALITY);
break;
case SENSOR_OV7630C:
gspca_dev->ctrl_dis = (1 << LIGHTFREQ) | (1 << EXPOSURE);
break;
+ case SENSOR_PAS202B:
+ gspca_dev->ctrl_dis = (1 << QUALITY) | (1 << EXPOSURE);
+ break;
default:
gspca_dev->ctrl_dis = (1 << EXPOSURE);
break;
@@ -7003,24 +7025,33 @@ static int sd_querymenu(struct gspca_dev *gspca_dev,
return -EINVAL;
}
-static int sd_set_jcomp(struct gspca_dev *gspca_dev,
- struct v4l2_jpegcompression *jcomp)
+static int sd_setquality(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
int i;
for (i = 0; i < ARRAY_SIZE(jpeg_qual) - 1; i++) {
- if (jcomp->quality <= jpeg_qual[i])
+ if (val <= jpeg_qual[i])
break;
}
if (i > 0
&& i == sd->reg08
- && jcomp->quality < jpeg_qual[sd->reg08])
+ && val < jpeg_qual[sd->reg08])
i--;
sd->reg08 = i;
- jcomp->quality = jpeg_qual[i];
+ sd->ctrls[QUALITY].val = jpeg_qual[i];
if (gspca_dev->streaming)
- jpeg_set_qual(sd->jpeg_hdr, jcomp->quality);
+ jpeg_set_qual(sd->jpeg_hdr, sd->ctrls[QUALITY].val);
+ return gspca_dev->usb_err;
+}
+
+static int sd_set_jcomp(struct gspca_dev *gspca_dev,
+ struct v4l2_jpegcompression *jcomp)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ sd_setquality(gspca_dev, jcomp->quality);
+ jcomp->quality = sd->ctrls[QUALITY].val;
return gspca_dev->usb_err;
}
@@ -7030,7 +7061,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
struct sd *sd = (struct sd *) gspca_dev;
memset(jcomp, 0, sizeof *jcomp);
- jcomp->quality = jpeg_qual[sd->reg08];
+ jcomp->quality = sd->ctrls[QUALITY].val;
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
| V4L2_JPEG_MARKER_DQT;
return 0;
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
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