static int cs5345_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
{
if ((route->input & 0xf) > 6) {
v4l2_err(sd, "Invalid input %d.\n", route->input);
return -EINVAL;
}
cs5345_write(sd, 0x09, route->input & 0xf);
cs5345_write(sd, 0x05, route->input & 0xf0);
return 0;
}
static int cs5345_s_routing(struct v4l2_subdev *sd,
u32 input, u32 output, u32 config)
{
if ((input & 0xf) > 6) {
v4l2_err(sd, "Invalid input %d.\n", input);
return -EINVAL;
}
cs5345_write(sd, 0x09, input & 0xf);
cs5345_write(sd, 0x05, input & 0xf0);
return 0;
}
static int cs5345_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
cs5345_write(sd, 0x04, ctrl->value ? 0x80 : 0);
return 0;
}
if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
return -EINVAL;
if (ctrl->value > 24 || ctrl->value < -24)
return -EINVAL;
cs5345_write(sd, 0x07, ((u8)ctrl->value) & 0x3f);
cs5345_write(sd, 0x08, ((u8)ctrl->value) & 0x3f);
return 0;
}
static int cs5345_probe(struct i2c_client *client)
{
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);
cs5345_write(client, 0x02, 0x00);
cs5345_write(client, 0x04, 0x01);
cs5345_write(client, 0x09, 0x01);
return 0;
}
static int cs5345_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
if (!v4l2_chip_match_i2c_client(client, ®->match))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
cs5345_write(sd, reg->reg & 0x1f, reg->val & 0xff);
return 0;
}
static int cs5345_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct v4l2_subdev *sd;
/* Check if the adapter supports the needed features */
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -EIO;
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);
sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL);
if (sd == NULL)
return -ENOMEM;
v4l2_i2c_subdev_init(sd, client, &cs5345_ops);
cs5345_write(sd, 0x02, 0x00);
cs5345_write(sd, 0x04, 0x01);
cs5345_write(sd, 0x09, 0x01);
return 0;
}
static int cs5345_command(struct i2c_client *client, unsigned cmd, void *arg)
{
struct v4l2_routing *route = arg;
struct v4l2_control *ctrl = arg;
switch (cmd) {
case VIDIOC_INT_G_AUDIO_ROUTING:
route->input = cs5345_read(client, 0x09) & 7;
route->input |= cs5345_read(client, 0x05) & 0x70;
route->output = 0;
break;
case VIDIOC_INT_S_AUDIO_ROUTING:
if ((route->input & 0xf) > 6) {
v4l_err(client, "Invalid input %d.\n", route->input);
return -EINVAL;
}
cs5345_write(client, 0x09, route->input & 0xf);
cs5345_write(client, 0x05, route->input & 0xf0);
break;
case VIDIOC_G_CTRL:
if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
ctrl->value = (cs5345_read(client, 0x04) & 0x08) != 0;
break;
}
if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
return -EINVAL;
ctrl->value = cs5345_read(client, 0x07) & 0x3f;
if (ctrl->value >= 32)
ctrl->value = ctrl->value - 64;
break;
case VIDIOC_S_CTRL:
break;
if (ctrl->id == V4L2_CID_AUDIO_MUTE) {
cs5345_write(client, 0x04, ctrl->value ? 0x80 : 0);
break;
}
if (ctrl->id != V4L2_CID_AUDIO_VOLUME)
return -EINVAL;
if (ctrl->value > 24 || ctrl->value < -24)
return -EINVAL;
cs5345_write(client, 0x07, ((u8)ctrl->value) & 0x3f);
cs5345_write(client, 0x08, ((u8)ctrl->value) & 0x3f);
break;
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
if (!v4l2_chip_match_i2c_client(client,
reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (cmd == VIDIOC_DBG_G_REGISTER)
reg->val = cs5345_read(client, reg->reg & 0x1f);
else
cs5345_write(client, reg->reg & 0x1f, reg->val & 0x1f);
break;
}
#endif
case VIDIOC_G_CHIP_IDENT:
return v4l2_chip_ident_i2c_client(client,
arg, V4L2_IDENT_CS5345, 0);
case VIDIOC_LOG_STATUS:
{
u8 v = cs5345_read(client, 0x09) & 7;
u8 m = cs5345_read(client, 0x04);
int vol = cs5345_read(client, 0x08) & 0x3f;
v4l_info(client, "Input: %d%s\n", v,
(m & 0x80) ? " (muted)" : "");
if (vol >= 32)
vol = vol - 64;
v4l_info(client, "Volume: %d dB\n", vol);
break;
}
default:
return -EINVAL;
}
return 0;
}