diff options
Diffstat (limited to 'drivers/media/video/gspca/zc3xx.c')
-rw-r--r-- | drivers/media/video/gspca/zc3xx.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c index 2482f9163ad..226aafc9688 100644 --- a/drivers/media/video/gspca/zc3xx.c +++ b/drivers/media/video/gspca/zc3xx.c @@ -31,6 +31,7 @@ MODULE_LICENSE("GPL"); static int force_sensor = -1; +#define QUANT_VAL 1 /* quantization table */ #include "jpeg.h" #include "zc3xx-reg.h" @@ -45,7 +46,6 @@ struct sd { __u8 lightfreq; __u8 sharpness; - char qindex; signed char sensor; /* Type of image sensor chip */ /* !! values used in different tables */ #define SENSOR_CS2102 0 @@ -6536,7 +6536,6 @@ static void setquality(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; - __u8 quality; __u8 frxt; switch (sd->sensor) { @@ -6547,26 +6546,18 @@ static void setquality(struct gspca_dev *gspca_dev) return; } /*fixme: is it really 0008 0007 0018 for all other sensors? */ - quality = sd->qindex; - reg_w(dev, quality, 0x0008); + reg_w(dev, QUANT_VAL, 0x0008); frxt = 0x30; reg_w(dev, frxt, 0x0007); - switch (quality) { - case 0: - case 1: - case 2: - frxt = 0xff; - break; - case 3: - frxt = 0xf0; - break; - case 4: - frxt = 0xe0; - break; - case 5: - frxt = 0x20; - break; - } +#if QUANT_VAL == 0 || QUANT_VAL == 1 || QUANT_VAL == 2 + frxt = 0xff; +#elif QUANT_VAL == 3 + frxt = 0xf0; +#elif QUANT_VAL == 4 + frxt = 0xe0; +#else + frxt = 0x20; +#endif reg_w(dev, frxt, 0x0018); } @@ -7156,7 +7147,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->cam_mode = sif_mode; cam->nmodes = ARRAY_SIZE(sif_mode); } - sd->qindex = 1; sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; sd->gamma = gamma[(int) sd->sensor]; @@ -7358,9 +7348,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); /* put the JPEG header in the new frame */ - jpeg_put_header(gspca_dev, frame, - ((struct sd *) gspca_dev)->qindex, - 0x21); + jpeg_put_header(gspca_dev, frame, 0x21); /* remove the webcam's header: * ff d8 ff fe 00 0e 00 00 ss ss 00 01 ww ww hh hh pp pp * - 'ss ss' is the frame sequence number (BE) |