Re: Siano DVB USB device called "Smart Plus"

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On Thu, Jan 19, 2012 at 12:42, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> wrote:
>
> From the product page, it is a 1-seg device. So, it likely uses a sms1xxx
> chip.

Correct, Siano SMS1140.

> You'll likely need to add a new board entry there for it, and discover
> the GPIO pins linked to the leds and infrared (the numbers for .board_cfg
> and .led* on the above data structure). You can do it by either sniffing
> the USB board traffic or by opening the device and carefully examining the
> board tracks.

I've added two photos of the circuit here:
http://linuxtv.org/wiki/index.php/Smart_Plus

Considering there are these lines at sms-usb.c:
        { USB_DEVICE(0x187f, 0x0202),
                .driver_info = SMS1XXX_BOARD_SIANO_NICE },

I thought I didn't need to add a new board entry, just update the
current one. Then I added a few lines, as shown below, but it seems
the driver still tries to load "dvb_nova_12mhz_b0.inp" instead of
"isdbt_nova_12mhz_b0.inp".

If I rename (or symlink) the firmware file, the driver loads the
firmware. After smsdvb module gets loaded, then there is a /dev/dvb/
entry for my device, but still the programs I tried (w_scan and vlc)
don't find any channels.


About the GPIO pins: even on Windows, the only LED from this device
does not blink. So I don't care about LED feedback. Also, right now
I'm not worried about IR remote, so I'm leaving that out.

Anyway, I can supply some usb logs if they would help debugging this.


--- sms-cards.c.orig    2012-01-20 00:42:47.000000000 -0200
+++ sms-cards.c 2012-01-20 01:05:11.000000000 -0200
@@ -92,6 +92,8 @@
        /* 11 */
                .name = "Siano Nice Digital Receiver",
                .type = SMS_NOVA_B0,
+               .fw[DEVICE_MODE_ISDBT_BDA] = "isdbt_nova_12mhz_b0.inp",
+               .rc_codes = RC_MAP_HAUPPAUGE,
        },
        [SMS1XXX_BOARD_SIANO_VENICE] = {
        /* 12 */
@@ -299,6 +301,7 @@
        case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
        case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD:
        case SMS1XXX_BOARD_HAUPPAUGE_TIGER_MINICARD_R2:
+       case SMS1XXX_BOARD_SIANO_NICE:
                request_module("smsdvb");
                break;
        default:


-- 
Denilson Figueiredo de Sá
Belo Horizonte - Brasil
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