[ubuntu-mythtv] [Bug 125384] Re: Lirc GPIO module not buildable on 2.6.22 kernel

[hexion]

After reading posts in the mailing list of Lirc, and the bug you filed
in launchpad, I started thinking about how to solve this problem.

Well, I got it Now I'm running Lirc with 2.6.22 kernel using lirc_gpio
module.

I simply added the functions droped in the source code, recompiled some
modules, installed them and recompile Lirc.

Of course this is a temporal fix till Lirc devs adapt the code to the
new API, but it's unlike that that's done before Gutsy is frozen, so
this patch should do the trick.

Note: The files are not patches, they are the source files edited by me.
This is the code I added:

drivers/media/video/bt8xx/bttv.h:
// lirc_gpio support starts

extern wait_queue_head_t* bttv_get_gpio_queue(unsigned int card);
extern int bttv_get_cardinfo(unsigned int card, int *type,
                 unsigned int *cardid);

// lirc_gpio support ends


drivers/media/video/bt8xx/bttv-if.c:

// lirc_gpio support starts
EXPORT_SYMBOL(bttv_get_gpio_queue);
EXPORT_SYMBOL(bttv_get_cardinfo);

int bttv_get_cardinfo(unsigned int card, int *type, unsigned *cardid)
{
    printk("The bttv_* interface is obsolete and will go away,\n"
           "please use the new, sysfs based interface instead.\n");
    if (card >= bttv_num) {
        return -1;
    }
    *type   = bttvs[card].c.type;
    *cardid = bttvs[card].cardid;
    return 0;
}

wait_queue_head_t* bttv_get_gpio_queue(unsigned int card)
{
    struct bttv *btv;

    if (card >= bttv_num) {
        return NULL;
    }

    btv = &bttvs[card];
    if (bttvs[card].shutdown) {
        return NULL;
    }
    return &btv->gpioq;
}

// lirc_gpio support ends


** Attachment added: "bttv.h"
   http://launchpadlibrarian.net/8561245/bttv.h

-- 
Lirc GPIO module not buildable on 2.6.22 kernel
https://bugs.launchpad.net/bugs/125384
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