From: Hans Verkuil Date: Wed, 16 May 2012 10:45:59 +0000 (-0300) Subject: [media] spca506: convert to the control framework X-Git-Tag: v3.6-rc1~28^2~124 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=de687ecf5d02c7732f6f5bac9ccf7924178a3a7d;p=platform%2Fkernel%2Flinux-3.10.git [media] spca506: convert to the control framework Signed-off-by: Hans Verkuil Signed-off-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/gspca/spca506.c b/drivers/media/video/gspca/spca506.c index 54eed87..7b54f63 100644 --- a/drivers/media/video/gspca/spca506.c +++ b/drivers/media/video/gspca/spca506.c @@ -33,83 +33,10 @@ MODULE_LICENSE("GPL"); struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - unsigned char brightness; - unsigned char contrast; - unsigned char colors; - unsigned char hue; char norme; char channel; }; -/* 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 int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val); -static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val); - -static const struct ctrl sd_ctrls[] = { -#define SD_BRIGHTNESS 0 - { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x80, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, -#define SD_CONTRAST 1 - { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x47, - }, - .set = sd_setcontrast, - .get = sd_getcontrast, - }, -#define SD_COLOR 2 - { - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0x40, - }, - .set = sd_setcolors, - .get = sd_getcolors, - }, -#define SD_HUE 3 - { - { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = 0, - .maximum = 0xff, - .step = 1, - .default_value = 0, - }, - .set = sd_sethue, - .get = sd_gethue, - }, -}; - static const struct v4l2_pix_format vga_mode[] = { {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE, .bytesperline = 160, @@ -281,16 +208,11 @@ static void spca506_Setsize(struct gspca_dev *gspca_dev, __u16 code, static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) { - struct sd *sd = (struct sd *) gspca_dev; struct cam *cam; cam = &gspca_dev->cam; cam->cam_mode = vga_mode; cam->nmodes = ARRAY_SIZE(vga_mode); - sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; - sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; - sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value; - sd->hue = sd_ctrls[SD_HUE].qctrl.default_value; return 0; } @@ -564,121 +486,93 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, } } -static void setbrightness(struct gspca_dev *gspca_dev) +static void setbrightness(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; - spca506_Initi2c(gspca_dev); - spca506_WriteI2c(gspca_dev, sd->brightness, SAA7113_bright); + spca506_WriteI2c(gspca_dev, val, SAA7113_bright); spca506_WriteI2c(gspca_dev, 0x01, 0x09); } -static void setcontrast(struct gspca_dev *gspca_dev) +static void setcontrast(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; - spca506_Initi2c(gspca_dev); - spca506_WriteI2c(gspca_dev, sd->contrast, SAA7113_contrast); + spca506_WriteI2c(gspca_dev, val, SAA7113_contrast); spca506_WriteI2c(gspca_dev, 0x01, 0x09); } -static void setcolors(struct gspca_dev *gspca_dev) +static void setcolors(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; - spca506_Initi2c(gspca_dev); - spca506_WriteI2c(gspca_dev, sd->colors, SAA7113_saturation); + spca506_WriteI2c(gspca_dev, val, SAA7113_saturation); spca506_WriteI2c(gspca_dev, 0x01, 0x09); } -static void sethue(struct gspca_dev *gspca_dev) +static void sethue(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; - spca506_Initi2c(gspca_dev); - spca506_WriteI2c(gspca_dev, sd->hue, SAA7113_hue); + spca506_WriteI2c(gspca_dev, val, SAA7113_hue); spca506_WriteI2c(gspca_dev, 0x01, 0x09); } -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->brightness = val; - if (gspca_dev->streaming) - setbrightness(gspca_dev); - return 0; -} - -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->brightness; - return 0; -} - -static int sd_setcontrast(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->contrast = val; - if (gspca_dev->streaming) - setcontrast(gspca_dev); - return 0; -} + gspca_dev->usb_err = 0; -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; + if (!gspca_dev->streaming) + return 0; - *val = sd->contrast; - return 0; -} - -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->colors = val; - if (gspca_dev->streaming) - setcolors(gspca_dev); - return 0; -} - -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->colors; - return 0; + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + setbrightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_CONTRAST: + setcontrast(gspca_dev, ctrl->val); + break; + case V4L2_CID_SATURATION: + setcolors(gspca_dev, ctrl->val); + break; + case V4L2_CID_HUE: + sethue(gspca_dev, ctrl->val); + break; + } + return gspca_dev->usb_err; } -static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->hue = val; - if (gspca_dev->streaming) - sethue(gspca_dev); - return 0; -} +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; -static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val) +static int sd_init_controls(struct gspca_dev *gspca_dev) { - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->hue; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; + + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 4); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 0x47); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 0x40); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_HUE, 0, 255, 1, 0); + + 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 = sd_init, + .init_controls = sd_init_controls, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan,