From: Risto Suominen <Risto.Suominen at gmail.com>
Enable port change interrupt while initialising AWACS, Screamer, and Burgundy chipsets.
Signed-off-by: Risto Suominen <Risto.Suominen at gmail.com> --- Kernel version 2.6.25-rc8 (probably any 2.6)
--- sound/ppc/pmac.c.orig 2008-04-05 17:45:08.000000000 +0300 +++ sound/ppc/pmac.c 2008-04-07 12:18:47.503077312 +0300 @@ -214,7 +214,7 @@ static int snd_pmac_pcm_prepare(struct s int rate_index; long offset; struct pmac_stream *astr; - + rec->dma_size = snd_pcm_lib_buffer_bytes(subs); rec->period_size = snd_pcm_lib_period_bytes(subs); rec->nperiods = rec->dma_size / rec->period_size; @@ -643,7 +643,7 @@ static int snd_pmac_pcm_close(struct snd /* reset constraints */ astr->cur_freqs = chip->freqs_ok; astr->cur_formats = chip->formats_ok; - + return 0; }
@@ -1063,6 +1063,10 @@ static int __init snd_pmac_detect(struct else { struct pci_dev *pdev = NULL;
+#ifndef for_each_pci_dev +#define for_each_pci_dev(d) \ + while ((d = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, d)) != NULL) +#endif for_each_pci_dev(pdev) { struct device_node *np = pci_device_to_OF_node(pdev); if (np && np == macio->of_node) { @@ -1300,9 +1304,9 @@ int __init snd_pmac_new(struct snd_card
snd_pmac_sound_feature(chip, 1);
- /* reset */ - if (chip->model == PMAC_AWACS) - out_le32(&chip->awacs->control, 0x11); + /* reset & enable interrupts */ + if (chip->model <= PMAC_BURGUNDY) + out_le32(&chip->awacs->control, chip->control_mask);
/* Powerbooks have odd ways of enabling inputs such as an expansion-bay CD or sound from an internal modem