From 8bd172dc96fba8ba5a7560afdc1ff7461c278e86 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 3 May 2011 16:51:56 +0200 Subject: ALSA: lola - Allow granularity changes Add some sanity checks. Change PCM parameters appropriately per granularity. Signed-off-by: Takashi Iwai --- sound/pci/lola/lola.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) (limited to 'sound/pci/lola/lola.c') diff --git a/sound/pci/lola/lola.c b/sound/pci/lola/lola.c index 3d2516b11f22..8ee22bee10c9 100644 --- a/sound/pci/lola/lola.c +++ b/sound/pci/lola/lola.c @@ -587,14 +587,31 @@ static int __devinit lola_create(struct snd_card *card, struct pci_dev *pci, chip->pci = pci; chip->irq = -1; - chip->sample_rate_min = sample_rate_min[dev]; chip->granularity = granularity[dev]; - /* FIXME */ - if (chip->granularity != LOLA_GRANULARITY_MAX) { + switch (chip->granularity) { + case 8: + chip->sample_rate_max = 48000; + break; + case 16: + chip->sample_rate_max = 96000; + break; + case 32: + chip->sample_rate_max = 192000; + break; + default: snd_printk(KERN_WARNING SFX - "Only %d granularity is supported for now\n", - LOLA_GRANULARITY_MAX); + "Invalid granularity %d, reset to %d\n", + chip->granularity, LOLA_GRANULARITY_MAX); chip->granularity = LOLA_GRANULARITY_MAX; + chip->sample_rate_max = 192000; + break; + } + chip->sample_rate_min = sample_rate_min[dev]; + if (chip->sample_rate_min > chip->sample_rate_max) { + snd_printk(KERN_WARNING SFX + "Invalid sample_rate_min %d, reset to 16000\n", + chip->sample_rate_min); + chip->sample_rate_min = 16000; } err = pci_request_regions(pci, DRVNAME); -- cgit v1.2.3