[mythtv-users] Re: mythtv 0.14, bttv 0.9.12/13 + Kernel 2.6.3-4
- low brightness red screen on channel change
Bruce Markey
bjm at lvcm.com
Fri Mar 26 21:19:11 EST 2004
scunacc wrote:
> Dear folks,
>
> I got a reply from Gerd (bttv) concerning patches to the 2.6.3 kernel
> series.
>
> He said:
>
>
>>Latest snapshots should have that one fixed. The bt878
>>simply forgets the contrast/bright/... settings on reset,
>>thus they must be reprogrammed in that case, which the
>>current driver does now.
>
>
> Sooooo, at some point, I'm going to try those patches.
>
> I think the ones I need are at:
>
> http://bytesex.org/patches/2.6.3-1
>
> ... your mileage may vary.
>
> It looks like it has to be against the kernel source tree, since there
> are patches to code outside the bttv branch, such as the scheduler, - so
> it can't just be against a bttv tarball AFAICS.
>
> I'll try and let y'all know when I've had a go!
>
> If anyone else gets it done in the meantime, by all means followup.
There is also now a release of bttv-0.9.13 which has code to
restore the state which was not in 0.9.12.
http://bytesex.org/bttv/bttv-0.9.13.tar.gz
-- bjm
> static int bttv_resume(struct pci_dev *pci_dev)
> {
> struct bttv *btv = pci_get_drvdata(pci_dev);
> unsigned long flags;
>
> printk("bttv%d: resume\n", btv->c.nr);
>
> /* restore pci state */
> if (btv->state.disabled) {
> pci_enable_device(pci_dev);
> btv->state.disabled = 0;
> }
> pci_set_power_state(pci_dev, 0);
> pci_restore_state(pci_dev, btv->state.pci_cfg);
>
> /* restore bt878 state */
> bttv_reinit_bt848(btv);
> gpio_inout(0xffffff, btv->state.gpio_enable);
> gpio_write(btv->state.gpio_data);
>
> bt848_bright(btv, btv->bright);
> bt848_hue(btv, btv->hue);
> bt848_contrast(btv, btv->contrast);
> bt848_sat(btv, btv->saturation);
>
> /* restart dma */
> spin_lock_irqsave(&btv->s_lock,flags);
> btv->curr = btv->state.set;
> bttv_buffer_set_activate(btv, &btv->curr);
> bttv_set_dma(btv, 0, btv->curr.irqflags);
> spin_unlock_irqrestore(&btv->s_lock,flags);
> return 0;
> }
>
More information about the mythtv-users
mailing list