@@ -37,6 +37,7 @@
#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-ctrls.h>
#include <media/bt819.h>
MODULE_DESCRIPTION("Brooktree-819 video decoder driver");
@@ -52,16 +53,13 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
struct bt819 {
struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler hdl;
unsigned char reg[32];
v4l2_std_id norm;
int ident;
int input;
int enable;
- int bright;
- int contrast;
- int hue;
- int sat;
};
static inline struct bt819 *to_bt819(struct v4l2_subdev *sd)
@@ -69,6 +67,11 @@ static inline struct bt819 *to_bt819(struct v4l2_subdev *sd)
return container_of(sd, struct bt819, sd);
}
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+ return &container_of(ctrl->handler, struct bt819, hdl)->sd;
+}
+
struct timing {
int hactive;
int hdelay;
@@ -333,71 +336,35 @@ static int bt819_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
-static int bt819_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
-{
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- break;
-
- case V4L2_CID_CONTRAST:
- v4l2_ctrl_query_fill(qc, 0, 511, 1, 256);
- break;
-
- case V4L2_CID_SATURATION:
- v4l2_ctrl_query_fill(qc, 0, 511, 1, 256);
- break;
-
- case V4L2_CID_HUE:
- v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- break;
-
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int bt819_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int bt819_s_ctrl(struct v4l2_ctrl *ctrl)
{
+ struct v4l2_subdev *sd = to_sd(ctrl);
struct bt819 *decoder = to_bt819(sd);
int temp;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- if (decoder->bright == ctrl->value)
- break;
- decoder->bright = ctrl->value;
- bt819_write(decoder, 0x0a, decoder->bright);
+ bt819_write(decoder, 0x0a, ctrl->val);
break;
case V4L2_CID_CONTRAST:
- if (decoder->contrast == ctrl->value)
- break;
- decoder->contrast = ctrl->value;
- bt819_write(decoder, 0x0c, decoder->contrast & 0xff);
- bt819_setbit(decoder, 0x0b, 2, ((decoder->contrast >> 8) & 0x01));
+ bt819_write(decoder, 0x0c, ctrl->val & 0xff);
+ bt819_setbit(decoder, 0x0b, 2, ((ctrl->val >> 8) & 0x01));
break;
case V4L2_CID_SATURATION:
- if (decoder->sat == ctrl->value)
- break;
- decoder->sat = ctrl->value;
- bt819_write(decoder, 0x0d, (decoder->sat >> 7) & 0xff);
- bt819_setbit(decoder, 0x0b, 1, ((decoder->sat >> 15) & 0x01));
+ bt819_write(decoder, 0x0d, (ctrl->val >> 7) & 0xff);
+ bt819_setbit(decoder, 0x0b, 1, ((ctrl->val >> 15) & 0x01));
/* Ratio between U gain and V gain must stay the same as
the ratio between the default U and V gain values. */
- temp = (decoder->sat * 180) / 254;
+ temp = (ctrl->val * 180) / 254;
bt819_write(decoder, 0x0e, (temp >> 7) & 0xff);
bt819_setbit(decoder, 0x0b, 0, (temp >> 15) & 0x01);
break;
case V4L2_CID_HUE:
- if (decoder->hue == ctrl->value)
- break;
- decoder->hue = ctrl->value;
- bt819_write(decoder, 0x0f, decoder->hue);
+ bt819_write(decoder, 0x0f, ctrl->val);
break;
default:
@@ -406,29 +373,6 @@ static int bt819_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
return 0;
}
-static int bt819_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct bt819 *decoder = to_bt819(sd);
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->value = decoder->bright;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->value = decoder->contrast;
- break;
- case V4L2_CID_SATURATION:
- ctrl->value = decoder->sat;
- break;
- case V4L2_CID_HUE:
- ctrl->value = decoder->hue;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
static int bt819_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
{
struct bt819 *decoder = to_bt819(sd);
@@ -439,11 +383,19 @@ static int bt819_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident
/* ----------------------------------------------------------------------- */
+static const struct v4l2_ctrl_ops bt819_ctrl_ops = {
+ .s_ctrl = bt819_s_ctrl,
+};
+
static const struct v4l2_subdev_core_ops bt819_core_ops = {
.g_chip_ident = bt819_g_chip_ident,
- .g_ctrl = bt819_g_ctrl,
- .s_ctrl = bt819_s_ctrl,
- .queryctrl = bt819_queryctrl,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
.s_std = bt819_s_std,
};
@@ -505,23 +457,40 @@ static int bt819_probe(struct i2c_client *client,
decoder->norm = V4L2_STD_NTSC;
decoder->input = 0;
decoder->enable = 1;
- decoder->bright = 0;
- decoder->contrast = 0xd8; /* 100% of original signal */
- decoder->hue = 0;
- decoder->sat = 0xfe; /* 100% of original signal */
i = bt819_init(sd);
if (i < 0)
v4l2_dbg(1, debug, sd, "init status %d\n", i);
+
+ v4l2_ctrl_handler_init(&decoder->hdl, 4);
+ v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
+ v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 511, 1, 0xd8);
+ v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 511, 1, 0xfe);
+ v4l2_ctrl_new_std(&decoder->hdl, &bt819_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+ sd->ctrl_handler = &decoder->hdl;
+ if (decoder->hdl.error) {
+ int err = decoder->hdl.error;
+
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ kfree(decoder);
+ return err;
+ }
+ v4l2_ctrl_handler_setup(&decoder->hdl);
return 0;
}
static int bt819_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct bt819 *decoder = to_bt819(sd);
v4l2_device_unregister_subdev(sd);
- kfree(to_bt819(sd));
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ kfree(decoder);
return 0;
}