diff options
Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_po1030.c')
-rw-r--r-- | drivers/media/video/gspca/m5602/m5602_po1030.c | 494 |
1 files changed, 414 insertions, 80 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c index eaddf488bad1..8d74d8065b79 100644 --- a/drivers/media/video/gspca/m5602/m5602_po1030.c +++ b/drivers/media/video/gspca/m5602/m5602_po1030.c @@ -18,6 +18,29 @@ #include "m5602_po1030.h" +static int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val); +static int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val); +static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val); +static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 *val); +static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev, + __s32 val); +static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev, + __s32 *val); + static struct v4l2_pix_format po1030_modes[] = { { 640, @@ -27,11 +50,12 @@ static struct v4l2_pix_format po1030_modes[] = { .sizeimage = 640 * 480, .bytesperline = 640, .colorspace = V4L2_COLORSPACE_SRGB, - .priv = 0 + .priv = 2 } }; -const static struct ctrl po1030_ctrls[] = { +static const struct ctrl po1030_ctrls[] = { +#define GAIN_IDX 0 { { .id = V4L2_CID_GAIN, @@ -45,7 +69,9 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_gain, .get = po1030_get_gain - }, { + }, +#define EXPOSURE_IDX 1 + { { .id = V4L2_CID_EXPOSURE, .type = V4L2_CTRL_TYPE_INTEGER, @@ -58,7 +84,9 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_exposure, .get = po1030_get_exposure - }, { + }, +#define RED_BALANCE_IDX 2 + { { .id = V4L2_CID_RED_BALANCE, .type = V4L2_CTRL_TYPE_INTEGER, @@ -71,7 +99,9 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_red_balance, .get = po1030_get_red_balance - }, { + }, +#define BLUE_BALANCE_IDX 3 + { { .id = V4L2_CID_BLUE_BALANCE, .type = V4L2_CTRL_TYPE_INTEGER, @@ -84,7 +114,9 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_blue_balance, .get = po1030_get_blue_balance - }, { + }, +#define HFLIP_IDX 4 + { { .id = V4L2_CID_HFLIP, .type = V4L2_CTRL_TYPE_BOOLEAN, @@ -96,7 +128,9 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_hflip, .get = po1030_get_hflip - }, { + }, +#define VFLIP_IDX 5 + { { .id = V4L2_CID_VFLIP, .type = V4L2_CTRL_TYPE_BOOLEAN, @@ -108,14 +142,58 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_vflip, .get = po1030_get_vflip - } + }, +#define AUTO_WHITE_BALANCE_IDX 6 + { + { + .id = V4L2_CID_AUTO_WHITE_BALANCE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "auto white balance", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, + .set = po1030_set_auto_white_balance, + .get = po1030_get_auto_white_balance + }, +#define AUTO_EXPOSURE_IDX 7 + { + { + .id = V4L2_CID_EXPOSURE_AUTO, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "auto exposure", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, + .set = po1030_set_auto_exposure, + .get = po1030_get_auto_exposure + }, +#define GREEN_BALANCE_IDX 8 + { + { + .id = M5602_V4L2_CID_GREEN_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "green balance", + .minimum = 0x00, + .maximum = 0xff, + .step = 0x1, + .default_value = PO1030_GREEN_GAIN_DEFAULT, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = po1030_set_green_balance, + .get = po1030_get_green_balance + }, }; static void po1030_dump_registers(struct sd *sd); int po1030_probe(struct sd *sd) { - u8 prod_id = 0, ver_id = 0, i; + u8 dev_id_h = 0, i; + s32 *sensor_settings; if (force_sensor) { if (force_sensor == PO1030_SENSOR) { @@ -139,28 +217,36 @@ int po1030_probe(struct sd *sd) m5602_write_bridge(sd, preinit_po1030[i][1], data); } - if (m5602_read_sensor(sd, 0x3, &prod_id, 1)) + if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1)) return -ENODEV; - if (m5602_read_sensor(sd, 0x4, &ver_id, 1)) - return -ENODEV; - - if ((prod_id == 0x02) && (ver_id == 0xef)) { + if (dev_id_h == 0x30) { info("Detected a po1030 sensor"); goto sensor_found; } return -ENODEV; sensor_found: + sensor_settings = kmalloc( + ARRAY_SIZE(po1030_ctrls) * sizeof(s32), GFP_KERNEL); + if (!sensor_settings) + return -ENOMEM; + sd->gspca_dev.cam.cam_mode = po1030_modes; sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes); sd->desc->ctrls = po1030_ctrls; sd->desc->nctrls = ARRAY_SIZE(po1030_ctrls); + + for (i = 0; i < ARRAY_SIZE(po1030_ctrls); i++) + sensor_settings[i] = po1030_ctrls[i].qctrl.default_value; + sd->sensor_priv = sensor_settings; + return 0; } int po1030_init(struct sd *sd) { + s32 *sensor_settings = sd->sensor_priv; int i, err = 0; /* Init the sensor */ @@ -185,47 +271,206 @@ int po1030_init(struct sd *sd) return -EINVAL; } } + if (err < 0) + return err; if (dump_sensor) po1030_dump_registers(sd); + err = po1030_set_exposure(&sd->gspca_dev, + sensor_settings[EXPOSURE_IDX]); + if (err < 0) + return err; + + err = po1030_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]); + if (err < 0) + return err; + + err = po1030_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]); + if (err < 0) + return err; + + err = po1030_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]); + if (err < 0) + return err; + + err = po1030_set_red_balance(&sd->gspca_dev, + sensor_settings[RED_BALANCE_IDX]); + if (err < 0) + return err; + + err = po1030_set_blue_balance(&sd->gspca_dev, + sensor_settings[BLUE_BALANCE_IDX]); + if (err < 0) + return err; + + err = po1030_set_green_balance(&sd->gspca_dev, + sensor_settings[GREEN_BALANCE_IDX]); + if (err < 0) + return err; + + err = po1030_set_auto_white_balance(&sd->gspca_dev, + sensor_settings[AUTO_WHITE_BALANCE_IDX]); + if (err < 0) + return err; + + err = po1030_set_auto_exposure(&sd->gspca_dev, + sensor_settings[AUTO_EXPOSURE_IDX]); return err; } -int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) +int po1030_start(struct sd *sd) { - struct sd *sd = (struct sd *) gspca_dev; - u8 i2c_data; - int err; + struct cam *cam = &sd->gspca_dev.cam; + int i, err = 0; + int width = cam->cam_mode[sd->gspca_dev.curr_mode].width; + int height = cam->cam_mode[sd->gspca_dev.curr_mode].height; + int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv; + u8 data; + + switch (width) { + case 320: + data = PO1030_SUBSAMPLING; + err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); + if (err < 0) + return err; + + data = ((width + 3) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); + if (err < 0) + return err; + + data = (width + 3) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); + if (err < 0) + return err; + + data = ((height + 1) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); + if (err < 0) + return err; + + data = (height + 1) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); + + height += 6; + width -= 1; + break; + + case 640: + data = 0; + err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1); + if (err < 0) + return err; + + data = ((width + 7) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1); + if (err < 0) + return err; + + data = (width + 7) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1); + if (err < 0) + return err; + + data = ((height + 3) >> 8) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1); + if (err < 0) + return err; + + data = (height + 3) & 0xff; + err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1); + + height += 12; + width -= 2; + break; + } + err = m5602_write_bridge(sd, M5602_XB_SENSOR_TYPE, 0x0c); + if (err < 0) + return err; - err = m5602_read_sensor(sd, PO1030_REG_INTEGLINES_H, - &i2c_data, 1); + err = m5602_write_bridge(sd, M5602_XB_LINE_OF_FRAME_H, 0x81); if (err < 0) return err; - *val = (i2c_data << 8); - err = m5602_read_sensor(sd, PO1030_REG_INTEGLINES_M, - &i2c_data, 1); - *val |= i2c_data; + err = m5602_write_bridge(sd, M5602_XB_PIX_OF_LINE_H, 0x82); + if (err < 0) + return err; - PDEBUG(D_V4L2, "Exposure read as %d", *val); + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0x01); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, + ((ver_offs >> 8) & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 0xff)); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff)); + if (err < 0) + return err; + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0); + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); + + for (i = 0; i < 2 && !err; i++) + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width >> 8) & 0xff); + if (err < 0) + return err; + err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width & 0xff)); + if (err < 0) + return err; + + err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0); return err; } -int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +static int po1030_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, "Exposure read as %d", *val); + return 0; +} + +static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; + sensor_settings[EXPOSURE_IDX] = val; PDEBUG(D_V4L2, "Set exposure to %d", val & 0xffff); i2c_data = ((val & 0xff00) >> 8); PDEBUG(D_V4L2, "Set exposure to high byte to 0x%x", i2c_data); - err = m5602_write_sensor(sd, PO1030_REG_INTEGLINES_H, + err = m5602_write_sensor(sd, PO1030_INTEGLINES_H, &i2c_data, 1); if (err < 0) return err; @@ -233,167 +478,256 @@ int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) i2c_data = (val & 0xff); PDEBUG(D_V4L2, "Set exposure to low byte to 0x%x", i2c_data); - err = m5602_write_sensor(sd, PO1030_REG_INTEGLINES_M, + err = m5602_write_sensor(sd, PO1030_INTEGLINES_M, &i2c_data, 1); return err; } -int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val) +static int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; - u8 i2c_data; - int err; + s32 *sensor_settings = sd->sensor_priv; - err = m5602_read_sensor(sd, PO1030_REG_GLOBALGAIN, - &i2c_data, 1); - *val = i2c_data; + *val = sensor_settings[GAIN_IDX]; PDEBUG(D_V4L2, "Read global gain %d", *val); - - return err; + return 0; } -int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; - err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, + sensor_settings[GAIN_IDX] = val; + + i2c_data = val & 0xff; + PDEBUG(D_V4L2, "Set global gain to %d", i2c_data); + err = m5602_write_sensor(sd, PO1030_GLOBALGAIN, &i2c_data, 1); + return err; +} - *val = (i2c_data >> 7) & 0x01 ; +static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + *val = sensor_settings[HFLIP_IDX]; PDEBUG(D_V4L2, "Read hflip %d", *val); - return err; + return 0; } -int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val) +static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; + sensor_settings[HFLIP_IDX] = val; + PDEBUG(D_V4L2, "Set hflip %d", val); - err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1); + err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); if (err < 0) return err; i2c_data = (0x7f & i2c_data) | ((val & 0x01) << 7); - err = m5602_write_sensor(sd, PO1030_REG_CONTROL2, + err = m5602_write_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); return err; } -int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) +static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; - u8 i2c_data; - int err; - - err = m5602_read_sensor(sd, PO1030_REG_GLOBALGAIN, - &i2c_data, 1); - - *val = (i2c_data >> 6) & 0x01; + s32 *sensor_settings = sd->sensor_priv; + *val = sensor_settings[VFLIP_IDX]; PDEBUG(D_V4L2, "Read vflip %d", *val); - return err; + return 0; } -int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val) +static int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; + sensor_settings[VFLIP_IDX] = val; + PDEBUG(D_V4L2, "Set vflip %d", val); - err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1); + err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); if (err < 0) return err; i2c_data = (i2c_data & 0xbf) | ((val & 0x01) << 6); - err = m5602_write_sensor(sd, PO1030_REG_CONTROL2, + err = m5602_write_sensor(sd, PO1030_CONTROL2, &i2c_data, 1); return err; } -int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val) +static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[RED_BALANCE_IDX]; + PDEBUG(D_V4L2, "Read red gain %d", *val); + return 0; +} + +static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; + sensor_settings[RED_BALANCE_IDX] = val; + i2c_data = val & 0xff; - PDEBUG(D_V4L2, "Set global gain to %d", i2c_data); - err = m5602_write_sensor(sd, PO1030_REG_GLOBALGAIN, + PDEBUG(D_V4L2, "Set red gain to %d", i2c_data); + err = m5602_write_sensor(sd, PO1030_RED_GAIN, &i2c_data, 1); return err; } -int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val) +static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; - u8 i2c_data; - int err; + s32 *sensor_settings = sd->sensor_priv; - err = m5602_read_sensor(sd, PO1030_REG_RED_GAIN, - &i2c_data, 1); - *val = i2c_data; - PDEBUG(D_V4L2, "Read red gain %d", *val); - return err; + *val = sensor_settings[BLUE_BALANCE_IDX]; + PDEBUG(D_V4L2, "Read blue gain %d", *val); + + return 0; } -int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) +static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; + sensor_settings[BLUE_BALANCE_IDX] = val; + i2c_data = val & 0xff; - PDEBUG(D_V4L2, "Set red gain to %d", i2c_data); - err = m5602_write_sensor(sd, PO1030_REG_RED_GAIN, + PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data); + err = m5602_write_sensor(sd, PO1030_BLUE_GAIN, &i2c_data, 1); + return err; } -int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val) +static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[GREEN_BALANCE_IDX]; + PDEBUG(D_V4L2, "Read green gain %d", *val); + + return 0; +} + +static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; - err = m5602_read_sensor(sd, PO1030_REG_BLUE_GAIN, + sensor_settings[GREEN_BALANCE_IDX] = val; + i2c_data = val & 0xff; + PDEBUG(D_V4L2, "Set green gain to %d", i2c_data); + + err = m5602_write_sensor(sd, PO1030_GREEN_1_GAIN, + &i2c_data, 1); + if (err < 0) + return err; + + return m5602_write_sensor(sd, PO1030_GREEN_2_GAIN, &i2c_data, 1); - *val = i2c_data; - PDEBUG(D_V4L2, "Read blue gain %d", *val); +} - return err; +static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[AUTO_WHITE_BALANCE_IDX]; + PDEBUG(D_V4L2, "Auto white balancing is %d", *val); + + return 0; } -int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) +static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev, + __s32 val) { struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; u8 i2c_data; int err; - i2c_data = val & 0xff; - PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data); - err = m5602_write_sensor(sd, PO1030_REG_BLUE_GAIN, - &i2c_data, 1); + sensor_settings[AUTO_WHITE_BALANCE_IDX] = val; + + err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + if (err < 0) + return err; + + PDEBUG(D_V4L2, "Set auto white balance to %d", val); + i2c_data = (i2c_data & 0xfe) | (val & 0x01); + err = m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); return err; } -int po1030_power_down(struct sd *sd) +static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev, + __s32 *val) { + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[AUTO_EXPOSURE_IDX]; + PDEBUG(D_V4L2, "Auto exposure is %d", *val); return 0; } +static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev, + __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 i2c_data; + int err; + + sensor_settings[AUTO_EXPOSURE_IDX] = val; + err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + if (err < 0) + return err; + + PDEBUG(D_V4L2, "Set auto exposure to %d", val); + i2c_data = (i2c_data & 0xfd) | ((val & 0x01) << 1); + return m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); +} + +void po1030_disconnect(struct sd *sd) +{ + sd->sensor = NULL; + kfree(sd->sensor_priv); +} + static void po1030_dump_registers(struct sd *sd) { int address; |