diff options
Diffstat (limited to 'drivers/media/video/gspca/sonixj.c')
| -rw-r--r-- | drivers/media/video/gspca/sonixj.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/sonixj.c b/drivers/media/video/gspca/sonixj.c index 363c0fa39d9e..7d0d949b72ba 100644 --- a/drivers/media/video/gspca/sonixj.c +++ b/drivers/media/video/gspca/sonixj.c @@ -47,6 +47,9 @@ struct sd { u8 vflip; /* ov7630/ov7648 only */ u8 infrared; /* mt9v111 only */ u8 quality; /* image quality */ +#define QUALITY_MIN 60 +#define QUALITY_MAX 95 +#define QUALITY_DEF 80 u8 jpegqual; /* webcam quality */ u8 reg18; @@ -1295,7 +1298,7 @@ static int sd_config(struct gspca_dev *gspca_dev, else sd->vflip = 1; sd->infrared = INFRARED_DEF; - sd->quality = 80; + sd->quality = QUALITY_DEF; sd->jpegqual = 80; gspca_dev->ctrl_dis = ctrl_dis[sd->sensor]; @@ -2130,6 +2133,34 @@ static int sd_getinfrared(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_set_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (jcomp->quality < QUALITY_MIN) + sd->quality = QUALITY_MIN; + else if (jcomp->quality > QUALITY_MAX) + sd->quality = QUALITY_MAX; + else + sd->quality = jcomp->quality; + if (gspca_dev->streaming) + jpeg_set_qual(sd->jpeg_hdr, sd->quality); + return 0; +} + +static int sd_get_jcomp(struct gspca_dev *gspca_dev, + struct v4l2_jpegcompression *jcomp) +{ + struct sd *sd = (struct sd *) gspca_dev; + + memset(jcomp, 0, sizeof *jcomp); + jcomp->quality = sd->quality; + jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT + | V4L2_JPEG_MARKER_DQT; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, @@ -2142,6 +2173,8 @@ static const struct sd_desc sd_desc = { .stop0 = sd_stop0, .pkt_scan = sd_pkt_scan, .dq_callback = do_autogain, + .get_jcomp = sd_get_jcomp, + .set_jcomp = sd_set_jcomp, }; /* -- module initialisation -- */ |