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[media] au8522_decoder: convert to the control framework 

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-02-15 08:04:29 -03:00 committed by Mauro Carvalho Chehab
parent e3f7586310
commit 5a4bdb4b34
2 changed files with 46 additions and 90 deletions
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130
drivers/media/dvb-frontends/au8522_decoder.c
View File

@ -229,15 +229,11 @@ static void setup_decoder_defaults(struct au8522_state *state, u8 input_mode)
/* Provide reasonable defaults for picture tuning values */
au8522_writereg(state, AU8522_TVDEC_SHARPNESSREG009H, 0x07);
au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH, 0xed);
state->brightness = 0xed - 128;
au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH, 0x79);
state->contrast = 0x79;
au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH, 0x80);
au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH, 0x80);
state->saturation = 0x80;
au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH, 0x00);
au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH, 0x00);
state->hue = 0x00;
/* Other decoder registers */
au8522_writereg(state, AU8522_TVDEC_INT_MASK_REG010H, 0x00);
@ -489,75 +485,32 @@ static void set_audio_input(struct au8522_state *state, int aud_input)
/* ----------------------------------------------------------------------- */
static int au8522_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
static int au8522_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct au8522_state *state = to_state(sd);
struct au8522_state *state =
container_of(ctrl->handler, struct au8522_state, hdl);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
state->brightness = ctrl->value;
au8522_writereg(state, AU8522_TVDEC_BRIGHTNESS_REG00AH,
ctrl->value - 128);
ctrl->val - 128);
break;
case V4L2_CID_CONTRAST:
state->contrast = ctrl->value;
au8522_writereg(state, AU8522_TVDEC_CONTRAST_REG00BH,
ctrl->value);
ctrl->val);
break;
case V4L2_CID_SATURATION:
state->saturation = ctrl->value;
au8522_writereg(state, AU8522_TVDEC_SATURATION_CB_REG00CH,
ctrl->value);
ctrl->val);
au8522_writereg(state, AU8522_TVDEC_SATURATION_CR_REG00DH,
ctrl->value);
ctrl->val);
break;
case V4L2_CID_HUE:
state->hue = ctrl->value;
au8522_writereg(state, AU8522_TVDEC_HUE_H_REG00EH,
ctrl->value >> 8);
ctrl->val >> 8);
au8522_writereg(state, AU8522_TVDEC_HUE_L_REG00FH,
ctrl->value & 0xFF);
ctrl->val & 0xFF);
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
/* Not yet implemented */
default:
return -EINVAL;
}
return 0;
}
static int au8522_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
struct au8522_state *state = to_state(sd);
/* Note that we are using values cached in the state structure instead
of reading the registers due to issues with i2c reads not working
properly/consistently yet on the HVR-950q */
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;
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_MUTE:
/* Not yet supported */
default:
return -EINVAL;
}
@ -616,26 +569,6 @@ static int au8522_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
static int au8522_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
{
switch (qc->id) {
case V4L2_CID_CONTRAST:
return v4l2_ctrl_query_fill(qc, 0, 255, 1,
AU8522_TVDEC_CONTRAST_REG00BH_CVBS);
case V4L2_CID_BRIGHTNESS:
return v4l2_ctrl_query_fill(qc, 0, 255, 1, 109);
case V4L2_CID_SATURATION:
return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
case V4L2_CID_HUE:
return v4l2_ctrl_query_fill(qc, -32768, 32768, 1, 0);
default:
break;
}
qc->type = 0;
return -EINVAL;
}
static int au8522_reset(struct v4l2_subdev *sd, u32 val)
{
struct au8522_state *state = to_state(sd);
@ -712,20 +645,18 @@ static int au8522_g_chip_ident(struct v4l2_subdev *sd,
return v4l2_chip_ident_i2c_client(client, chip, state->id, state->rev);
}
static int au8522_log_status(struct v4l2_subdev *sd)
{
/* FIXME: Add some status info here */
return 0;
}
/* ----------------------------------------------------------------------- */
static const struct v4l2_subdev_core_ops au8522_core_ops = {
.log_status = au8522_log_status,
.log_status = v4l2_ctrl_subdev_log_status,
.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,
.g_chip_ident = au8522_g_chip_ident,
.g_ctrl = au8522_g_ctrl,
.s_ctrl = au8522_s_ctrl,
.queryctrl = au8522_queryctrl,
.reset = au8522_reset,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = au8522_g_register,
@ -753,12 +684,17 @@ static const struct v4l2_subdev_ops au8522_ops = {
.video = &au8522_video_ops,
};
static const struct v4l2_ctrl_ops au8522_ctrl_ops = {
.s_ctrl = au8522_s_ctrl,
};
/* ----------------------------------------------------------------------- */
static int au8522_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct au8522_state *state;
struct v4l2_ctrl_handler *hdl;
struct v4l2_subdev *sd;
int instance;
struct au8522_config *demod_config;
@ -799,6 +735,27 @@ static int au8522_probe(struct i2c_client *client,
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &au8522_ops);
hdl = &state->hdl;
v4l2_ctrl_handler_init(hdl, 4);
v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 255, 1, 109);
v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops,
V4L2_CID_CONTRAST, 0, 255, 1,
AU8522_TVDEC_CONTRAST_REG00BH_CVBS);
v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops,
V4L2_CID_SATURATION, 0, 255, 1, 128);
v4l2_ctrl_new_std(hdl, &au8522_ctrl_ops,
V4L2_CID_HUE, -32768, 32767, 1, 0);
sd->ctrl_handler = hdl;
if (hdl->error) {
int err = hdl->error;
v4l2_ctrl_handler_free(hdl);
kfree(demod_config);
kfree(state);
return err;
}
state->c = client;
state->vid_input = AU8522_COMPOSITE_CH1;
state->aud_input = AU8522_AUDIO_NONE;
@ -815,6 +772,7 @@ static int au8522_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(sd->ctrl_handler);
au8522_release_state(to_state(sd));
return 0;
}

6
drivers/media/dvb-frontends/au8522_priv.h
View File

@ -29,6 +29,7 @@
#include <linux/delay.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <linux/i2c.h>
#include "dvb_frontend.h"
#include "au8522.h"
@ -65,10 +66,7 @@ struct au8522_state {
int aud_input;
u32 id;
u32 rev;
u8 brightness;
u8 contrast;
u8 saturation;
s16 hue;
struct v4l2_ctrl_handler hdl;
};
/* These are routines shared by both the VSB/QAM demodulator and the analog