[linux-dvb] Re: disable frequency bending patch

[Holger Waechtler <holger@convergence.de>]

Andrew de Quincey wrote:
> Hi, heres a patch which adds a new module parameter allowing frequency bending 
> to be disabled. I find this feature is not useful when you have a mixture of 
> DVB-T and DVB-S cards in a machine (just breaks the DVB-T tuning process).
please resolve this by comparing only frequencies of frontends of the 
same adapter. Should be trivial to implement and is more general.

Holger


> ------------------------------------------------------------------------
>
> Index: linux/drivers/media/dvb/dvb-core/dvb_frontend.c
> ===================================================================
> RCS file: /cvs/linuxtv/dvb-kernel/linux/drivers/media/dvb/dvb-core/dvb_frontend.c,v
> retrieving revision 1.51
> diff -u -p -r1.51 dvb_frontend.c
> --- linux/drivers/media/dvb/dvb-core/dvb_frontend.c	2 Jun 2003 11:36:06 -0000	1.51
> +++ linux/drivers/media/dvb/dvb-core/dvb_frontend.c	16 Jun 2003 12:09:32 -0000
> @@ -40,6 +40,7 @@
>  
>  static int dvb_frontend_debug = 0;
>  static int dvb_shutdown_timeout = 5;
> +static int dvb_disable_bending = 0;
>  
>  #define dprintk if (dvb_frontend_debug) printk
>  
> @@ -312,8 +313,8 @@ int dvb_frontend_set_parameters (struct 
>  		memcpy (&fe->parameters, param,
>  			sizeof (struct dvb_frontend_parameters));
>  	}
> -
> -	dvb_bend_frequency (fe, 0);
> +        if (!dvb_disable_bending)
> +	        dvb_bend_frequency (fe, 0);
>  
>  	dprintk ("%s: f == %i, drift == %i\n",
>  		 __FUNCTION__, (int) param->frequency, (int) fe->lnb_drift);
> @@ -1001,5 +1002,7 @@ int dvb_unregister_frontend (int (*ioctl
>  
>  MODULE_PARM(dvb_frontend_debug,"i");
>  MODULE_PARM(dvb_shutdown_timeout,"i");
> +MODULE_PARM(dvb_disable_bending,"i");
>  MODULE_PARM_DESC(dvb_frontend_debug, "enable verbose debug messages");
>  MODULE_PARM_DESC(dvb_shutdown_timeout, "wait <shutdown_timeout> seconds after close() before suspending hardware");
> +MODULE_PARM_DESC(dvb_disable_bending, "disable frequency bending");


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