[media] gscpa: Move ctrl_handler to gspca_dev

We intend to eventually port all sub-drivers to the control-framework. At
which point it will make more sense to have the ctrl_handler in gspca_dev
then to have it in the subdrivers. Lets move it there now, to avoid a lot
of work to move it later.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 files changed, 56 insertions, 51 deletions

diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index 449ff8e37fe7..dd15e07d4666 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -174,6 +174,7 @@ struct gspca_dev {
         const struct sd_desc *sd_desc;          /* subdriver description */
         unsigned ctrl_dis;              /* disabled controls (bit map) */
         unsigned ctrl_inac;             /* inactive controls (bit map) */
+        struct v4l2_ctrl_handler ctrl_handler;
 
         /* autogain and exposure or gain control cluster, these are global as
            the autogain/exposure functions in autogain_functions.c use them */
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c
index 2950347b8265..ec7b21ee79fb 100644
--- a/drivers/media/video/gspca/mars.c
+++ b/drivers/media/video/gspca/mars.c
@@ -34,7 +34,6 @@ MODULE_LICENSE("GPL");
 struct sd {
         struct gspca_dev gspca_dev;     /* !! must be the first item */
 
-        struct v4l2_ctrl_handler ctrl_handler;
         struct v4l2_ctrl *brightness;
         struct v4l2_ctrl *saturation;
         struct v4l2_ctrl *sharpness;
@@ -161,8 +160,9 @@ static void setilluminators(struct gspca_dev *gspca_dev, bool top, bool bottom)
 
 static int mars_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
-        struct gspca_dev *gspca_dev = &sd->gspca_dev;
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+        struct sd *sd = (struct sd *)gspca_dev;
 
         gspca_dev->usb_err = 0;
 
@@ -179,20 +179,20 @@ static int mars_s_ctrl(struct v4l2_ctrl *ctrl)
 
         switch (ctrl->id) {
         case V4L2_CID_BRIGHTNESS:
-                setbrightness(&sd->gspca_dev, ctrl->val);
+                setbrightness(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_SATURATION:
-                setcolors(&sd->gspca_dev, ctrl->val);
+                setcolors(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_GAMMA:
-                setgamma(&sd->gspca_dev, ctrl->val);
+                setgamma(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_ILLUMINATORS_1:
-                setilluminators(&sd->gspca_dev, sd->illum_top->val,
-                                                sd->illum_bottom->val);
+                setilluminators(gspca_dev, sd->illum_top->val,
+                                           sd->illum_bottom->val);
                 break;
         case V4L2_CID_SHARPNESS:
-                setsharpness(&sd->gspca_dev, ctrl->val);
+                setsharpness(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_JPEG_COMPRESSION_QUALITY:
                 jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
@@ -211,7 +211,7 @@ static const struct v4l2_ctrl_ops mars_ctrl_ops = {
 static int sd_init_controls(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 
         gspca_dev->vdev.ctrl_handler = hdl;
         v4l2_ctrl_handler_init(hdl, 7);
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 1758ed98cf16..ad098202d7f0 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -70,7 +70,6 @@ MODULE_LICENSE("GPL");
 struct sd {
         struct gspca_dev gspca_dev;
 
-        struct v4l2_ctrl_handler ctrl_handler;
         struct { /* color control cluster */
                 struct v4l2_ctrl *brightness;
                 struct v4l2_ctrl *contrast;
@@ -1694,8 +1693,9 @@ static int sd_config(struct gspca_dev *gspca_dev,
 
 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
-        struct gspca_dev *gspca_dev = &sd->gspca_dev;
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+        struct sd *sd = (struct sd *)gspca_dev;
 
         gspca_dev->usb_err = 0;
 
@@ -1705,37 +1705,37 @@ static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
         switch (ctrl->id) {
         /* color control cluster */
         case V4L2_CID_BRIGHTNESS:
-                set_cmatrix(&sd->gspca_dev, sd->brightness->val,
+                set_cmatrix(gspca_dev, sd->brightness->val,
                         sd->contrast->val, sd->saturation->val, sd->hue->val);
                 break;
         case V4L2_CID_GAMMA:
-                set_gamma(&sd->gspca_dev, ctrl->val);
+                set_gamma(gspca_dev, ctrl->val);
                 break;
         /* blue/red balance cluster */
         case V4L2_CID_BLUE_BALANCE:
-                set_redblue(&sd->gspca_dev, sd->blue->val, sd->red->val);
+                set_redblue(gspca_dev, sd->blue->val, sd->red->val);
                 break;
         /* h/vflip cluster */
         case V4L2_CID_HFLIP:
-                set_hvflip(&sd->gspca_dev, sd->hflip->val, sd->vflip->val);
+                set_hvflip(gspca_dev, sd->hflip->val, sd->vflip->val);
                 break;
         /* standalone exposure control */
         case V4L2_CID_EXPOSURE:
-                set_exposure(&sd->gspca_dev, ctrl->val);
+                set_exposure(gspca_dev, ctrl->val);
                 break;
         /* standalone gain control */
         case V4L2_CID_GAIN:
-                set_gain(&sd->gspca_dev, ctrl->val);
+                set_gain(gspca_dev, ctrl->val);
                 break;
         /* autogain + exposure or gain control cluster */
         case V4L2_CID_AUTOGAIN:
                 if (sd->sensor == SENSOR_SOI968)
-                        set_gain(&sd->gspca_dev, sd->gain->val);
+                        set_gain(gspca_dev, sd->gain->val);
                 else
-                        set_exposure(&sd->gspca_dev, sd->exposure->val);
+                        set_exposure(gspca_dev, sd->exposure->val);
                 break;
         case V4L2_CID_JPEG_COMPRESSION_QUALITY:
-                set_quality(&sd->gspca_dev, ctrl->val);
+                set_quality(gspca_dev, ctrl->val);
                 break;
         }
         return gspca_dev->usb_err;
@@ -1748,7 +1748,7 @@ static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 static int sd_init_controls(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 
         gspca_dev->vdev.ctrl_handler = hdl;
         v4l2_ctrl_handler_init(hdl, 13);
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx.c b/drivers/media/video/gspca/stv06xx/stv06xx.c
index cebd615effeb..999ec7764449 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx.c
@@ -268,7 +268,7 @@ static int stv06xx_init_controls(struct gspca_dev *gspca_dev)
 
         PDEBUG(D_PROBE, "Initializing controls");
 
-        gspca_dev->vdev.ctrl_handler = &sd->ctrl_handler;
+        gspca_dev->vdev.ctrl_handler = &gspca_dev->ctrl_handler;
         return sd->sensor->init_controls(sd);
 }
 
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx.h b/drivers/media/video/gspca/stv06xx/stv06xx.h
index b7cbc6b878d3..34957a4ec150 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx.h
+++ b/drivers/media/video/gspca/stv06xx/stv06xx.h
@@ -89,9 +89,6 @@ struct sd {
         /* A pointer to the currently connected sensor */
         const struct stv06xx_sensor *sensor;
 
-        /* Control handler */
-        struct v4l2_ctrl_handler ctrl_handler;
-
         /* Sensor private data */
         void *sensor_priv;
 
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c b/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c
index 74cbd386600b..06fa54c5efb2 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.c
@@ -335,15 +335,16 @@ static int hdcs_set_size(struct sd *sd,
 
 static int hdcs_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
         int err = -EINVAL;
 
         switch (ctrl->id) {
         case V4L2_CID_GAIN:
-                err = hdcs_set_gain(&sd->gspca_dev, ctrl->val);
+                err = hdcs_set_gain(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_EXPOSURE:
-                err = hdcs_set_exposure(&sd->gspca_dev, ctrl->val);
+                err = hdcs_set_exposure(gspca_dev, ctrl->val);
                 break;
         }
         return err;
@@ -355,7 +356,7 @@ static const struct v4l2_ctrl_ops hdcs_ctrl_ops = {
 
 static int hdcs_init_controls(struct sd *sd)
 {
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
 
         v4l2_ctrl_handler_init(hdl, 2);
         v4l2_ctrl_new_std(hdl, &hdcs_ctrl_ops,
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c b/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
index c03b13e70b56..cdfc3d05ab6b 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_pb0100.c
@@ -87,24 +87,26 @@ static struct v4l2_pix_format pb0100_mode[] = {
 
 static int pb0100_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+        struct sd *sd = (struct sd *)gspca_dev;
         struct pb0100_ctrls *ctrls = sd->sensor_priv;
         int err = -EINVAL;
 
         switch (ctrl->id) {
         case V4L2_CID_AUTOGAIN:
-                err = pb0100_set_autogain(&sd->gspca_dev, ctrl->val);
+                err = pb0100_set_autogain(gspca_dev, ctrl->val);
                 if (err)
                         break;
                 if (ctrl->val)
                         break;
-                err = pb0100_set_gain(&sd->gspca_dev, ctrls->gain->val);
+                err = pb0100_set_gain(gspca_dev, ctrls->gain->val);
                 if (err)
                         break;
-                err = pb0100_set_exposure(&sd->gspca_dev, ctrls->exposure->val);
+                err = pb0100_set_exposure(gspca_dev, ctrls->exposure->val);
                 break;
         case V4L2_CTRL_CLASS_USER + 0x1001:
-                err = pb0100_set_autogain_target(&sd->gspca_dev, ctrl->val);
+                err = pb0100_set_autogain_target(gspca_dev, ctrl->val);
                 break;
         }
         return err;
@@ -116,7 +118,7 @@ static const struct v4l2_ctrl_ops pb0100_ctrl_ops = {
 
 static int pb0100_init_controls(struct sd *sd)
 {
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
         struct pb0100_ctrls *ctrls;
         static const struct v4l2_ctrl_config autogain_target = {
                 .ops = &pb0100_ctrl_ops,
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_st6422.c b/drivers/media/video/gspca/stv06xx/stv06xx_st6422.c
index bbfe8210d590..8a57990dfe0f 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_st6422.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_st6422.c
@@ -67,7 +67,9 @@ static int setexposure(struct sd *sd, s16 expo);
 
 static int st6422_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+        struct sd *sd = (struct sd *)gspca_dev;
         int err = -EINVAL;
 
         switch (ctrl->id) {
@@ -98,7 +100,7 @@ static const struct v4l2_ctrl_ops st6422_ctrl_ops = {
 
 static int st6422_init_controls(struct sd *sd)
 {
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
 
         v4l2_ctrl_handler_init(hdl, 4);
         v4l2_ctrl_new_std(hdl, &st6422_ctrl_ops,
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
index 1b7a68a5a43d..748e1421d6d8 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
@@ -46,21 +46,22 @@ static struct v4l2_pix_format vv6410_mode[] = {
 
 static int vv6410_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
         int err = -EINVAL;
 
         switch (ctrl->id) {
         case V4L2_CID_HFLIP:
-                err = vv6410_set_hflip(&sd->gspca_dev, ctrl->val);
+                err = vv6410_set_hflip(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_VFLIP:
-                err = vv6410_set_vflip(&sd->gspca_dev, ctrl->val);
+                err = vv6410_set_vflip(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_GAIN:
-                err = vv6410_set_analog_gain(&sd->gspca_dev, ctrl->val);
+                err = vv6410_set_analog_gain(gspca_dev, ctrl->val);
                 break;
         case V4L2_CID_EXPOSURE:
-                err = vv6410_set_exposure(&sd->gspca_dev, ctrl->val);
+                err = vv6410_set_exposure(gspca_dev, ctrl->val);
                 break;
         }
         return err;
@@ -91,7 +92,7 @@ static int vv6410_probe(struct sd *sd)
 
 static int vv6410_init_controls(struct sd *sd)
 {
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
 
         v4l2_ctrl_handler_init(hdl, 4);
         v4l2_ctrl_new_std(hdl, &vv6410_ctrl_ops,
diff --git a/drivers/media/video/gspca/zc3xx.c b/drivers/media/video/gspca/zc3xx.c
index a8839fb3c1d6..0d504a7c512c 100644
--- a/drivers/media/video/gspca/zc3xx.c
+++ b/drivers/media/video/gspca/zc3xx.c
@@ -39,7 +39,6 @@ static int force_sensor = -1;
 struct sd {
         struct gspca_dev gspca_dev;     /* !! must be the first item */
 
-        struct v4l2_ctrl_handler ctrl_handler;
         struct { /* gamma/brightness/contrast control cluster */
                 struct v4l2_ctrl *gamma;
                 struct v4l2_ctrl *brightness;
@@ -6328,8 +6327,9 @@ static int sd_config(struct gspca_dev *gspca_dev,
 
 static int zcxx_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
-        struct gspca_dev *gspca_dev = &sd->gspca_dev;
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+        struct sd *sd = (struct sd *)gspca_dev;
 
         switch (ctrl->id) {
         case V4L2_CID_AUTOGAIN:
@@ -6343,8 +6343,9 @@ static int zcxx_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
 
 static int zcxx_s_ctrl(struct v4l2_ctrl *ctrl)
 {
-        struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
-        struct gspca_dev *gspca_dev = &sd->gspca_dev;
+        struct gspca_dev *gspca_dev =
+                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
+        struct sd *sd = (struct sd *)gspca_dev;
         int i, qual;
 
         gspca_dev->usb_err = 0;
@@ -6404,7 +6405,7 @@ static const struct v4l2_ctrl_ops zcxx_ctrl_ops = {
 static int sd_init_controls(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *)gspca_dev;
-        struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+        struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
         static const u8 gamma[SENSOR_MAX] = {
                 [SENSOR_ADCM2700] =     4,
                 [SENSOR_CS2102] =       4,