diff options
Diffstat (limited to 'drivers/media/video')
-rw-r--r-- | drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c | 49 |
1 files changed, 31 insertions, 18 deletions
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c b/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c index e180ce61158..1655dcd1a5d 100644 --- a/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c +++ b/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c @@ -280,7 +280,7 @@ static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val) within the column processing period */ int mnct; int cycles, err; - u8 exp[4]; + u8 exp[14]; cycles = val * HDCS_CLK_FREQ_MHZ; @@ -316,24 +316,37 @@ static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val) srowexp = max_srowexp; if (IS_1020(sd)) { - exp[0] = rowexp & 0xff; - exp[1] = rowexp >> 8; - exp[2] = (srowexp >> 2) & 0xff; - /* this clears exposure error flag */ - exp[3] = 0x1; - err = hdcs_reg_write_seq(sd, HDCS_ROWEXPL, exp, 4); + exp[0] = HDCS20_CONTROL; + exp[1] = 0x00; /* Stop streaming */ + exp[2] = HDCS_ROWEXPL; + exp[3] = rowexp & 0xff; + exp[4] = HDCS_ROWEXPH; + exp[5] = rowexp >> 8; + exp[6] = HDCS20_SROWEXP; + exp[7] = (srowexp >> 2) & 0xff; + exp[8] = HDCS20_ERROR; + exp[9] = 0x10; /* Clear exposure error flag*/ + exp[10] = HDCS20_CONTROL; + exp[11] = 0x04; /* Restart streaming */ + err = stv06xx_write_sensor_bytes(sd, exp, 6); } else { - exp[0] = rowexp & 0xff; - exp[1] = rowexp >> 8; - exp[2] = srowexp & 0xff; - exp[3] = srowexp >> 8; - err = hdcs_reg_write_seq(sd, HDCS_ROWEXPL, exp, 4); + exp[0] = HDCS00_CONTROL; + exp[1] = 0x00; /* Stop streaming */ + exp[2] = HDCS_ROWEXPL; + exp[3] = rowexp & 0xff; + exp[4] = HDCS_ROWEXPH; + exp[5] = rowexp >> 8; + exp[6] = HDCS00_SROWEXPL; + exp[7] = srowexp & 0xff; + exp[8] = HDCS00_SROWEXPH; + exp[9] = srowexp >> 8; + exp[10] = HDCS_STATUS; + exp[11] = 0x10; /* Clear exposure error flag*/ + exp[12] = HDCS00_CONTROL; + exp[13] = 0x04; /* Restart streaming */ + err = stv06xx_write_sensor_bytes(sd, exp, 7); if (err < 0) return err; - - /* clear exposure error flag */ - err = stv06xx_write_sensor(sd, - HDCS_STATUS, BIT(4)); } PDEBUG(D_V4L2, "Writing exposure %d, rowexp %d, srowexp %d", val, rowexp, srowexp); @@ -605,11 +618,11 @@ static int hdcs_init(struct sd *sd) if (err < 0) return err; - err = hdcs_set_exposure(&sd->gspca_dev, HDCS_DEFAULT_EXPOSURE); + err = hdcs_set_size(sd, hdcs->array.width, hdcs->array.height); if (err < 0) return err; - err = hdcs_set_size(sd, hdcs->array.width, hdcs->array.height); + err = hdcs_set_exposure(&sd->gspca_dev, HDCS_DEFAULT_EXPOSURE); return err; } |