diff options
Diffstat (limited to 'drivers/media/video/gspca/spca505.c')
| -rw-r--r-- | drivers/media/video/gspca/spca505.c | 72 |
1 files changed, 32 insertions, 40 deletions
diff --git a/drivers/media/video/gspca/spca505.c b/drivers/media/video/gspca/spca505.c index 1320f35e39f2..a1def079a0c9 100644 --- a/drivers/media/video/gspca/spca505.c +++ b/drivers/media/video/gspca/spca505.c @@ -33,34 +33,11 @@ MODULE_LICENSE("GPL"); struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - u8 brightness; - u8 subtype; #define IntelPCCameraPro 0 #define Nxultra 1 }; -/* V4L2 controls supported by the driver */ -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); - -static const struct ctrl sd_ctrls[] = { - { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 255, - .step = 1, -#define BRIGHTNESS_DEF 127 - .default_value = BRIGHTNESS_DEF, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, -}; - static const struct v4l2_pix_format vga_mode[] = { {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, .bytesperline = 160, @@ -633,7 +610,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->nmodes = ARRAY_SIZE(vga_mode); else /* no 640x480 for IntelPCCameraPro */ cam->nmodes = ARRAY_SIZE(vga_mode) - 1; - sd->brightness = BRIGHTNESS_DEF; return 0; } @@ -651,11 +627,8 @@ static int sd_init(struct gspca_dev *gspca_dev) return 0; } -static void setbrightness(struct gspca_dev *gspca_dev) +static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness) { - struct sd *sd = (struct sd *) gspca_dev; - u8 brightness = sd->brightness; - reg_write(gspca_dev->dev, 0x05, 0x00, (255 - brightness) >> 6); reg_write(gspca_dev->dev, 0x05, 0x01, (255 - brightness) << 2); } @@ -710,7 +683,7 @@ static int sd_start(struct gspca_dev *gspca_dev) SPCA50X_USB_CTRL, SPCA50X_CUSB_ENABLE); - setbrightness(gspca_dev); + v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler); return ret; } @@ -756,30 +729,49 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, } } -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { - struct sd *sd = (struct sd *) gspca_dev; + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); - sd->brightness = val; - if (gspca_dev->streaming) - setbrightness(gspca_dev); - return 0; + gspca_dev->usb_err = 0; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + setbrightness(gspca_dev, ctrl->val); + break; + } + return gspca_dev->usb_err; } -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; + +static int sd_init_controls(struct gspca_dev *gspca_dev) { - struct sd *sd = (struct sd *) gspca_dev; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; - *val = sd->brightness; + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 5); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 127); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } return 0; } /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, + .init_controls = sd_init_controls, .init = sd_init, .start = sd_start, .stopN = sd_stopN, |