Re: [git:v4l-dvb/for_v3.7] [media] add LNA support for DVB API

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Hi Antti,

Mauro asked me to look into LNA as well, in particular how this could be done
on the analog side as well.

While reading through this patch I noticed that the new property was added to
dtv_property_process_set, but not to dtv_property_process_get. Can you look
into that and add 'get' support for this property?

Thanks!

	Hans

On Thu September 27 2012 19:28:09 Mauro Carvalho Chehab wrote:
> This is an automatic generated email to let you know that the following patch were queued at the 
> http://git.linuxtv.org/media_tree.git tree:
> 
> Subject: [media] add LNA support for DVB API
> Author:  Antti Palosaari <crope@xxxxxx>
> Date:    Wed Jul 11 21:54:50 2012 -0300
> 
> Signed-off-by: Antti Palosaari <crope@xxxxxx>
> Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
> 
>  drivers/media/dvb-core/dvb_frontend.c |    5 +++++
>  drivers/media/dvb-core/dvb_frontend.h |    1 +
>  include/linux/dvb/frontend.h          |    4 +++-
>  3 files changed, 9 insertions(+), 1 deletions(-)
> 
> ---
> 
> http://git.linuxtv.org/media_tree.git?a=commitdiff;h=8a2697abc1f0388d44b78ac109d9f03ec75c2683
> 
> diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
> index 1f3b16d..8f58f24 100644
> --- a/drivers/media/dvb-core/dvb_frontend.c
> +++ b/drivers/media/dvb-core/dvb_frontend.c
> @@ -1022,6 +1022,7 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
>  
>  	_DTV_CMD(DTV_STREAM_ID, 1, 0),
>  	_DTV_CMD(DTV_DVBT2_PLP_ID_LEGACY, 1, 0),
> +	_DTV_CMD(DTV_LNA, 1, 0),
>  
>  	/* Get */
>  	_DTV_CMD(DTV_DISEQC_SLAVE_REPLY, 0, 1),
> @@ -1730,6 +1731,10 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
>  	case DTV_INTERLEAVING:
>  		c->interleaving = tvp->u.data;
>  		break;
> +	case DTV_LNA:
> +		if (fe->ops.set_lna)
> +			r = fe->ops.set_lna(fe, tvp->u.data);
> +		break;
>  
>  	/* ISDB-T Support here */
>  	case DTV_ISDBT_PARTIAL_RECEPTION:
> diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
> index 33996a0..44a445c 100644
> --- a/drivers/media/dvb-core/dvb_frontend.h
> +++ b/drivers/media/dvb-core/dvb_frontend.h
> @@ -303,6 +303,7 @@ struct dvb_frontend_ops {
>  	int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
>  	int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
>  	int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
> +	int (*set_lna)(struct dvb_frontend *, int);
>  
>  	/* These callbacks are for devices that implement their own
>  	 * tuning algorithms, rather than a simple swzigzag
> diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
> index 57e2b17..c12d452 100644
> --- a/include/linux/dvb/frontend.h
> +++ b/include/linux/dvb/frontend.h
> @@ -363,8 +363,9 @@ struct dvb_frontend_event {
>  #define DTV_ATSCMH_SCCC_CODE_MODE_D	59
>  
>  #define DTV_INTERLEAVING			60
> +#define DTV_LNA					61
>  
> -#define DTV_MAX_COMMAND				DTV_INTERLEAVING
> +#define DTV_MAX_COMMAND				DTV_LNA
>  
>  typedef enum fe_pilot {
>  	PILOT_ON,
> @@ -438,6 +439,7 @@ enum atscmh_rs_code_mode {
>  };
>  
>  #define NO_STREAM_ID_FILTER	(~0U)
> +#define LNA_AUTO                (~0U)
>  
>  struct dtv_cmds_h {
>  	char	*name;		/* A display name for debugging purposes */
> 
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> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
> 
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