Re: DIB3000MC autosearch

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On Thu, 2 Nov 2006, Mario Rossi wrote:

> Hi Patrick,
> did you have time to check the patch I sent recently that fixes the
> autosearch for dib3000mc in my case?
> 
> http://www.linuxtv.org/pipermail/linux-dvb/2006-October/013907.html
> 
> Actually the following one (100% equivalent to the one above) is more
> in line with the treatment of seq in the old driver and what happens
> in the dib7000 code.

Please give me some time to understand the solution. I think only one of 
the two things should fix it (putting seq to 11 also searches for 
inversion which is not necessary).

Anyway, thanks for digging out this thing.

Patrick.

> 
> Regards
> 
> diff -r 7b945ba585c3 linux/drivers/media/dvb/frontends/dib3000mc.c
> --- a/linux/drivers/media/dvb/frontends/dib3000mc.c     Tue Oct 31
> 15:33:29 2006 -0300
> +++ b/linux/drivers/media/dvb/frontends/dib3000mc.c     Wed Nov 01
> 23:48:39 2006 +0000
> @@ -499,7 +499,7 @@ static void dib3000mc_set_channel_cfg(st
>        tmp = ((chan->nfft & 0x1) << 7) | (chan->guard << 5) |
> (chan->nqam << 3) | chan->vit_alpha;
>        dib3000mc_write_word(state, 0, tmp);
> 
> -       dib3000mc_write_word(state, 5, seq);
> +       dib3000mc_write_word(state, 5, ((seq & 0x0f) << 4) | (1 << 8) );
> 
>        tmp = (chan->vit_hrch << 4) | (chan->vit_select_hp);
>        if (!chan->vit_hrch || (chan->vit_hrch && chan->vit_select_hp))
> @@ -548,7 +548,7 @@ static int dib3000mc_autosearch_start(st
>        fchan.vit_alpha = 1; fchan.vit_code_rate_hp = 2;
> fchan.vit_code_rate_lp = 2;
>        fchan.vit_hrch = 0; fchan.vit_select_hp = 1;
> 
> -       dib3000mc_set_channel_cfg(state, &fchan, 7);
> +       dib3000mc_set_channel_cfg(state, &fchan, 11);
> 
>        reg = dib3000mc_read_word(state, 0);
>        dib3000mc_write_word(state, 0, reg | (1 << 8));
> 

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