On Mon, Jun 09, 2008 at 04:05:43PM -0400, Eduardo Valentin wrote:
> +static void tea5761_set_audout_mode(struct tea5761_device *tea, int audmode)
> {
> - struct tea5761_regs *r = &tea->regs;
> -
> - if (!(r->tnctrl & TEA5761_TNCTRL_PUPD0)) {
> - r->tnctrl &= ~(TEA5761_TNCTRL_AFM | TEA5761_TNCTRL_MU |
> - TEA5761_TNCTRL_HLSI);
> - r->testreg |= TEA5761_TESTREG_TRIGFR;
> - r->tnctrl |= TEA5761_TNCTRL_PUPD0;
> - return tea5761_write_regs(tea);
> + struct dvb_frontend *fe = &tea->fe;
> + struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
> + struct analog_parameters params = {
> + .mode = V4L2_TUNER_RADIO,
> + .frequency = tea->freq,
> + .audmode = audmode,
> + };
> +
> + if (NULL == fe_tuner_ops->set_analog_params) {
> + dev_warn(tea->dev,
> + "Tuner frontend module has no way to set frequency\n");
> + return;
> }
> + if (!fe_tuner_ops->set_analog_params(fe, ¶ms))
> + tea->audmode = audmode;
instead of both ifs, how about:
if (fe_tuner_ops->set_analog_params) {
tea->audmode =
fe_tuner_ops->set_analog_params(fe, ¶ms) ?
audmode : 0;
}
> }
> +static void tea5761_mute(struct tea5761_device *tea, int on)
> +{
> + struct dvb_frontend *fe = &tea->fe;
> + struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
> + struct analog_parameters params = {
> + .mode = on ? T_STANDBY : V4L2_TUNER_RADIO,
> + .frequency = tea->freq,
> + .audmode = tea->audmode,
> + };
> +
> + if (NULL == fe_tuner_ops->set_analog_params) {
> + dev_warn(tea->dev,
> + "Tuner frontend module has no way to set frequency\n");
> + return;
> }
> + if (!fe_tuner_ops->set_analog_params(fe, ¶ms))
> + tea->mute = on;
samething here.
> }
> static int tea5761_i2c_driver_probe(struct i2c_client *client,
> @@ -422,12 +407,24 @@ static int tea5761_i2c_driver_probe(struct i2c_client
> *client,
>
> mutex_init(&tea->mutex);
>
> - tea->i2c_dev = client;
> + /* Tuner attach */
> + if (!dvb_attach(tea5761_attach, &tea->fe, client->adapter,
> + client->addr)) {
> + dev_err(&client->dev, "Could not attach tuner\n");
> + err = -ENODEV;
> + goto exit;
> + }
> +
> + /* initialize and power off the chip */
> + tea5761_power_up(tea);
> + tea5761_set_audout_mode(tea, V4L2_TUNER_MODE_STEREO);
> + tea5761_mute(tea, 0);
> + tea5761_power_down(tea);
>
> /* V4L initialization */
> video_dev = video_device_alloc();
> if (video_dev == NULL) {
if (!video_dev)
> - dev_err(&client->dev, "couldn't allocate memory\n");
> + dev_err(&client->dev, "Could not allocate memory\n");
> err = -ENOMEM;
> goto exit;
> }
> @@ -436,25 +433,15 @@ static int tea5761_i2c_driver_probe(struct i2c_client
> *client,
> *video_dev = tea5761_video_device;
> video_dev->dev = &client->dev;
> i2c_set_clientdata(client, video_dev);
> -
> - /* initialize and power off the chip */
> - tea5761_read_regs(tea);
> - tea5761_set_audout_mode(tea, V4L2_TUNER_MODE_STEREO);
> - tea5761_mute(tea, 0);
> - tea5761_power_down(tea);
> -
> - tea5761.video_dev = video_dev;
> - tea5761.i2c_dev = client;
> + tea->video_dev = video_dev;
> + tea->dev = &client->dev;
>
> err = video_register_device(video_dev, VFL_TYPE_RADIO, radio_nr);
> if (err) {
> - dev_err(&client->dev, "couldn't register video device\n");
> + dev_err(&client->dev, "Could not register video device\n");
> goto err_video_alloc;
> }
>
> - dev_info(&client->dev, "tea5761 (version %d) detected\n",
> - (tea->regs.manid >> 12) & 0xf);
> -
> return 0;
>
> err_video_alloc:
> @@ -492,7 +479,8 @@ static int __init tea5761_init(void)
> {
> int res;
>
> - if ((res = i2c_add_driver(&tea5761_driver))) {
> + res = i2c_add_driver(&tea5761_driver);
> + if (res) {
> printk(KERN_ERR DRIVER_NAME ": driver registration failed\n");
> return res;
not needed, return i2c_add_driver(&tea5761_driver); is enough as i2c
subsystem already prints out error messages in case of failed probe.
> }
--
Best Regards,
Felipe Balbi
[EMAIL PROTECTED]
http://blog.felipebalbi.com
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