diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 21:15:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 21:15:42 -0700 |
commit | 0dd5198672dd2bbeb933862e1fc82162e0b636be (patch) | |
tree | c9efed20d90603c4d1626c21bd7aab1e7fc74a58 /drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c | |
parent | c868d550115b9ccc0027c67265b9520790f05601 (diff) | |
parent | 11c635a25b9f3a5d87409ce46cf2e05c500251ec (diff) |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (425 commits)
V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added.
V4L/DVB (12004): poll method lose race condition
V4L/DVB (11894): flexcop-pci: dmesg visible names broken
V4L/DVB (11892): Siano: smsendian - declare function as extern
V4L/DVB (11891): Siano: smscore - bind the GPIO SMS protocol
V4L/DVB (11890): Siano: smscore - remove redundant code
V4L/DVB (11889): Siano: smsdvb - add DVB v3 events
V4L/DVB (11888): Siano: smsusb - remove redundant ifdef
V4L/DVB (11887): Siano: smscards - add board (target) events
V4L/DVB (11886): Siano: smscore - fix some new GPIO definitions names
V4L/DVB (11885): Siano: Add new GPIO management interface
V4L/DVB (11884): Siano: smssdio - revert to stand alone module
V4L/DVB (11883): Siano: cards - add two additional (USB) devices
V4L/DVB (11824): Siano: smsusb - change exit func debug msg
V4L/DVB (11823): Siano: smsusb - fix typo in module description
V4L/DVB (11822): Siano: smscore - bug fix at get_device_mode
V4L/DVB (11821): Siano: smscore - fix isdb-t firmware name
V4L/DVB (11820): Siano: smscore - fix byte ordering bug
V4L/DVB (11819): Siano: smscore - fix get_common_buffer bug
V4L/DVB (11818): Siano: smscards - assign gpio to HPG targets
...
Diffstat (limited to 'drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c')
-rw-r--r-- | drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c | 76 |
1 files changed, 74 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c index 69c77c932fc..11a0c002f5d 100644 --- a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c +++ b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c @@ -80,12 +80,26 @@ static const struct ctrl vv6410_ctrl[] = { .minimum = 0, .maximum = 15, .step = 1, - .default_value = 0 + .default_value = 10 }, .set = vv6410_set_analog_gain, .get = vv6410_get_analog_gain + }, +#define EXPOSURE_IDX 3 + { + { + .id = V4L2_CID_EXPOSURE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "exposure", + .minimum = 0, + .maximum = 32768, + .step = 1, + .default_value = 20000 + }, + .set = vv6410_set_exposure, + .get = vv6410_get_exposure } -}; + }; static int vv6410_probe(struct sd *sd) { @@ -121,6 +135,7 @@ static int vv6410_probe(struct sd *sd) static int vv6410_init(struct sd *sd) { int err = 0, i; + s32 *sensor_settings = sd->sensor_priv; for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) { /* if NULL then len contains single value */ @@ -142,6 +157,16 @@ static int vv6410_init(struct sd *sd) err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init, ARRAY_SIZE(vv6410_sensor_init)); + if (err < 0) + return err; + + err = vv6410_set_exposure(&sd->gspca_dev, + sensor_settings[EXPOSURE_IDX]); + if (err < 0) + return err; + + err = vv6410_set_analog_gain(&sd->gspca_dev, + sensor_settings[GAIN_IDX]); return (err < 0) ? err : 0; } @@ -318,3 +343,50 @@ static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val) return (err < 0) ? err : 0; } + +static int vv6410_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[EXPOSURE_IDX]; + + PDEBUG(D_V4L2, "Read exposure %d", *val); + + return 0; +} + +static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + unsigned int fine, coarse; + + sensor_settings[EXPOSURE_IDX] = val; + + val = (val * val >> 14) + val / 4; + + fine = val % VV6410_CIF_LINELENGTH; + coarse = min(512, val / VV6410_CIF_LINELENGTH); + + PDEBUG(D_V4L2, "Set coarse exposure to %d, fine expsure to %d", + coarse, fine); + + err = stv06xx_write_sensor(sd, VV6410_FINEH, fine >> 8); + if (err < 0) + goto out; + + err = stv06xx_write_sensor(sd, VV6410_FINEL, fine & 0xff); + if (err < 0) + goto out; + + err = stv06xx_write_sensor(sd, VV6410_COARSEH, coarse >> 8); + if (err < 0) + goto out; + + err = stv06xx_write_sensor(sd, VV6410_COARSEL, coarse & 0xff); + +out: + return err; +} |