[1/6] si2168: add ts_mode setting and move to si2168_init

  Luis Alves submitted a TS mode patch to si2168 earlier, but the patch was rejected due to a small issue. Here is a working version. Also, setting of TS mode is moved from si2168_set_frontend to si2168_init.

This patch adds the TS mode as a config option for the si2168 demod:
- ts_mode added to config struct.
- Possible (interesting) values are
   * Parallel mode = 0x06
   * Serial mode = 0x03

Currently the modules using this demod only use parallel mode. Patches for these modules later in this patch series.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
---
 drivers/media/dvb-frontends/si2168.c      | 17 ++++++++++-------
 drivers/media/dvb-frontends/si2168.h      |  6 ++++++
 drivers/media/dvb-frontends/si2168_priv.h |  1 +
 3 files changed, 17 insertions(+), 7 deletions(-)
  

Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>

Antti


On 08/11/2014 10:58 PM, Olli Salonen wrote:
> Luis Alves submitted a TS mode patch to si2168 earlier, but the patch was rejected due to a small issue. Here is a working version. Also, setting of TS mode is moved from si2168_set_frontend to si2168_init.
>
> This patch adds the TS mode as a config option for the si2168 demod:
> - ts_mode added to config struct.
> - Possible (interesting) values are
>     * Parallel mode = 0x06
>     * Serial mode = 0x03
>
> Currently the modules using this demod only use parallel mode. Patches for these modules later in this patch series.
>
> Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
> ---
>   drivers/media/dvb-frontends/si2168.c      | 17 ++++++++++-------
>   drivers/media/dvb-frontends/si2168.h      |  6 ++++++
>   drivers/media/dvb-frontends/si2168_priv.h |  1 +
>   3 files changed, 17 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
> index 8f81d97..0eb0e4e 100644
> --- a/drivers/media/dvb-frontends/si2168.c
> +++ b/drivers/media/dvb-frontends/si2168.c
> @@ -297,13 +297,6 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
>   	if (ret)
>   		goto err;
>
> -	memcpy(cmd.args, "\x14\x00\x01\x10\x16\x00", 6);
> -	cmd.wlen = 6;
> -	cmd.rlen = 4;
> -	ret = si2168_cmd_execute(s, &cmd);
> -	if (ret)
> -		goto err;
> -
>   	memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x18", 6);
>   	cmd.wlen = 6;
>   	cmd.rlen = 4;
> @@ -465,6 +458,15 @@ static int si2168_init(struct dvb_frontend *fe)
>   	dev_info(&s->client->dev, "%s: found a '%s' in warm state\n",
>   			KBUILD_MODNAME, si2168_ops.info.name);
>
> +	/* set ts mode */
> +	memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
> +	cmd.args[4] |= s->ts_mode;
> +	cmd.wlen = 6;
> +	cmd.rlen = 4;
> +	ret = si2168_cmd_execute(s, &cmd);
> +	if (ret)
> +		goto err;
> +
>   	s->active = true;
>
>   	return 0;
> @@ -633,6 +635,7 @@ static int si2168_probe(struct i2c_client *client,
>
>   	*config->i2c_adapter = s->adapter;
>   	*config->fe = &s->fe;
> +	s->ts_mode = config->ts_mode;
>
>   	i2c_set_clientdata(client, s);
>
> diff --git a/drivers/media/dvb-frontends/si2168.h b/drivers/media/dvb-frontends/si2168.h
> index 3c5b5ab..e086d67 100644
> --- a/drivers/media/dvb-frontends/si2168.h
> +++ b/drivers/media/dvb-frontends/si2168.h
> @@ -34,6 +34,12 @@ struct si2168_config {
>   	 * returned by driver
>   	 */
>   	struct i2c_adapter **i2c_adapter;
> +
> +	/* TS mode */
> +	u8 ts_mode;
>   };
>
> +#define SI2168_TS_PARALLEL	0x06
> +#define SI2168_TS_SERIAL	0x03
> +
>   #endif
> diff --git a/drivers/media/dvb-frontends/si2168_priv.h b/drivers/media/dvb-frontends/si2168_priv.h
> index ebbf502..0f83284 100644
> --- a/drivers/media/dvb-frontends/si2168_priv.h
> +++ b/drivers/media/dvb-frontends/si2168_priv.h
> @@ -36,6 +36,7 @@ struct si2168 {
>   	fe_delivery_system_t delivery_system;
>   	fe_status_t fe_status;
>   	bool active;
> +	u8 ts_mode;
>   };
>
>   /* firmare command struct */
>