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[media] s2250: convert to the control framework 

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-03-03 10:50:34 -03:00 committed by Mauro Carvalho Chehab
parent 9b8451d5af
commit d3b2ccd9e3
1 changed files with 46 additions and 103 deletions
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149
drivers/staging/media/go7007/s2250-board.c
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@ -116,6 +116,7 @@ static u16 vid_regs_fp_pal[] = {
struct s2250 {
struct v4l2_subdev sd;
struct v4l2_ctrl_handler hdl;
v4l2_std_id std;
int input;
int brightness;
@ -370,110 +371,36 @@ static int s2250_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
return 0;
}
static int s2250_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query)
static int s2250_s_ctrl(struct v4l2_ctrl *ctrl)
{
switch (query->id) {
case V4L2_CID_BRIGHTNESS:
return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
case V4L2_CID_CONTRAST:
return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
case V4L2_CID_SATURATION:
return v4l2_ctrl_query_fill(query, 0, 100, 1, 50);
case V4L2_CID_HUE:
return v4l2_ctrl_query_fill(query, -50, 50, 1, 0);
default:
return -EINVAL;
}
return 0;
}
static int s2250_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct s2250 *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
int value1;
struct s2250 *state = container_of(ctrl->handler, struct s2250, hdl);
struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
u16 oldvalue;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value > 100)
state->brightness = 100;
else if (ctrl->value < 0)
state->brightness = 0;
else
state->brightness = ctrl->value;
value1 = (state->brightness - 50) * 255 / 100;
read_reg_fp(client, VPX322_ADDR_BRIGHTNESS0, &oldvalue);
write_reg_fp(client, VPX322_ADDR_BRIGHTNESS0,
value1 | (oldvalue & ~0xff));
ctrl->val | (oldvalue & ~0xff));
read_reg_fp(client, VPX322_ADDR_BRIGHTNESS1, &oldvalue);
write_reg_fp(client, VPX322_ADDR_BRIGHTNESS1,
value1 | (oldvalue & ~0xff));
ctrl->val | (oldvalue & ~0xff));
write_reg_fp(client, 0x140, 0x60);
break;
case V4L2_CID_CONTRAST:
if (ctrl->value > 100)
state->contrast = 100;
else if (ctrl->value < 0)
state->contrast = 0;
else
state->contrast = ctrl->value;
value1 = state->contrast * 0x40 / 100;
if (value1 > 0x3f)
value1 = 0x3f; /* max */
read_reg_fp(client, VPX322_ADDR_CONTRAST0, &oldvalue);
write_reg_fp(client, VPX322_ADDR_CONTRAST0,
value1 | (oldvalue & ~0x3f));
ctrl->val | (oldvalue & ~0x3f));
read_reg_fp(client, VPX322_ADDR_CONTRAST1, &oldvalue);
write_reg_fp(client, VPX322_ADDR_CONTRAST1,
value1 | (oldvalue & ~0x3f));
ctrl->val | (oldvalue & ~0x3f));
write_reg_fp(client, 0x140, 0x60);
break;
case V4L2_CID_SATURATION:
if (ctrl->value > 100)
state->saturation = 100;
else if (ctrl->value < 0)
state->saturation = 0;
else
state->saturation = ctrl->value;
value1 = state->saturation * 4140 / 100;
if (value1 > 4094)
value1 = 4094;
write_reg_fp(client, VPX322_ADDR_SAT, value1);
write_reg_fp(client, VPX322_ADDR_SAT, ctrl->val);
break;
case V4L2_CID_HUE:
if (ctrl->value > 50)
state->hue = 50;
else if (ctrl->value < -50)
state->hue = -50;
else
state->hue = ctrl->value;
/* clamp the hue range */
value1 = state->hue * 280 / 50;
write_reg_fp(client, VPX322_ADDR_HUE, value1);
break;
default:
return -EINVAL;
}
return 0;
}
static int s2250_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct s2250 *state = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = state->brightness;
break;
case V4L2_CID_CONTRAST:
ctrl->value = state->contrast;
break;
case V4L2_CID_SATURATION:
ctrl->value = state->saturation;
break;
case V4L2_CID_HUE:
ctrl->value = state->hue;
write_reg_fp(client, VPX322_ADDR_HUE, ctrl->val);
break;
default:
return -EINVAL;
@ -531,24 +458,21 @@ static int s2250_log_status(struct v4l2_subdev *sd)
v4l2_info(sd, "Input: %s\n", state->input == 0 ? "Composite" :
state->input == 1 ? "S-video" :
"error");
v4l2_info(sd, "Brightness: %d\n", state->brightness);
v4l2_info(sd, "Contrast: %d\n", state->contrast);
v4l2_info(sd, "Saturation: %d\n", state->saturation);
v4l2_info(sd, "Hue: %d\n", state->hue);
v4l2_info(sd, "Audio input: %s\n", state->audio_input == 0 ? "Line In" :
state->audio_input == 1 ? "Mic" :
state->audio_input == 2 ? "Mic Boost" :
"error");
return 0;
return v4l2_ctrl_subdev_log_status(sd);
}
/* --------------------------------------------------------------------------*/
static const struct v4l2_ctrl_ops s2250_ctrl_ops = {
.s_ctrl = s2250_s_ctrl,
};
static const struct v4l2_subdev_core_ops s2250_core_ops = {
.log_status = s2250_log_status,
.g_ctrl = s2250_g_ctrl,
.s_ctrl = s2250_s_ctrl,
.queryctrl = s2250_queryctrl,
.s_std = s2250_s_std,
};
@ -596,6 +520,24 @@ static int s2250_probe(struct i2c_client *client,
v4l2_info(sd, "initializing %s at address 0x%x on %s\n",
"Sensoray 2250/2251", client->addr, client->adapter->name);
v4l2_ctrl_handler_init(&state->hdl, 4);
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x32);
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
V4L2_CID_SATURATION, 0, 4094, 1, 2070);
v4l2_ctrl_new_std(&state->hdl, &s2250_ctrl_ops,
V4L2_CID_HUE, -512, 511, 1, 0);
sd->ctrl_handler = &state->hdl;
if (state->hdl.error) {
int err = state->hdl.error;
v4l2_ctrl_handler_free(&state->hdl);
kfree(state);
return err;
}
state->std = V4L2_STD_NTSC;
state->brightness = 50;
state->contrast = 50;
@ -606,22 +548,16 @@ static int s2250_probe(struct i2c_client *client,
/* initialize the audio */
if (write_regs(audio, aud_regs) < 0) {
dev_err(&client->dev, "error initializing audio\n");
i2c_unregister_device(audio);
kfree(state);
return 0;
goto fail;
}
if (write_regs(client, vid_regs) < 0) {
dev_err(&client->dev, "error initializing decoder\n");
i2c_unregister_device(audio);
kfree(state);
return 0;
goto fail;
}
if (write_regs_fp(client, vid_regs_fp) < 0) {
dev_err(&client->dev, "error initializing decoder\n");
i2c_unregister_device(audio);
kfree(state);
return 0;
goto fail;
}
/* set default channel */
/* composite */
@ -657,14 +593,21 @@ static int s2250_probe(struct i2c_client *client,
v4l2_info(sd, "initialized successfully\n");
return 0;
fail:
i2c_unregister_device(audio);
v4l2_ctrl_handler_free(&state->hdl);
kfree(state);
return -EIO;
}
static int s2250_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct s2250 *state = to_state(i2c_get_clientdata(client));
v4l2_device_unregister_subdev(sd);
kfree(to_state(sd));
v4l2_device_unregister_subdev(&state->sd);
v4l2_ctrl_handler_free(&state->hdl);
kfree(state);
return 0;
}