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authorKrzysztof Helt <krzysztof.h1@wp.pl>2009-12-23 18:02:41 +0100
committerTakashi Iwai <tiwai@suse.de>2009-12-25 14:15:41 +0100
commit44eba3e82b35ae796826a65d8040001582adc10a (patch)
tree93f9bcd409638b1685d231dfbd7b0ce2949c20db /sound/isa
parent52e04ea89da57274f0313d2bd73ba02f686cfdeb (diff)
downloadlinux-44eba3e82b35ae796826a65d8040001582adc10a.tar.gz
ALSA: jazz16: refine dma and irq selection
Narrow the dma and irq selection after the DOS driver. Add ALSA configuration description as well. Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa')
-rw-r--r--sound/isa/sb/jazz16.c21
-rw-r--r--sound/isa/sb/sb8_main.c3
2 files changed, 22 insertions, 2 deletions
diff --git a/sound/isa/sb/jazz16.c b/sound/isa/sb/jazz16.c
index d52966b75846..8d21a3feda3a 100644
--- a/sound/isa/sb/jazz16.c
+++ b/sound/isa/sb/jazz16.c
@@ -189,10 +189,29 @@ static int __devinit snd_jazz16_match(struct device *devptr, unsigned int dev)
if (port[dev] == SNDRV_AUTO_PORT) {
snd_printk(KERN_ERR "please specify port\n");
return 0;
+ } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
+ snd_printk(KERN_ERR "incorrect port specified\n");
+ return 0;
+ }
+ if (dma8[dev] != SNDRV_AUTO_DMA &&
+ dma8[dev] != 1 && dma8[dev] != 3) {
+ snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
+ return 0;
}
if (dma16[dev] != SNDRV_AUTO_DMA &&
dma16[dev] != 5 && dma16[dev] != 7) {
- snd_printk(KERN_ERR "dma16 must be 5 or 7");
+ snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
+ return 0;
+ }
+ if (mpu_port[dev] != SNDRV_AUTO_PORT &&
+ (mpu_port[dev] & ~0x030) != 0x300) {
+ snd_printk(KERN_ERR "incorrect mpu_port specified\n");
+ return 0;
+ }
+ if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
+ mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
+ mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
+ snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
return 0;
}
return 1;
diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index 3222aed5fac6..7d84c9f34dc9 100644
--- a/sound/isa/sb/sb8_main.c
+++ b/sound/isa/sb/sb8_main.c
@@ -510,7 +510,8 @@ static int snd_sb8_open(struct snd_pcm_substream *substream)
}
switch (chip->hardware) {
case SB_HW_JAZZ16:
- runtime->hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;
+ if (chip->dma16 == 5 || chip->dma16 == 7)
+ runtime->hw.formats |= SNDRV_PCM_FMTBIT_S16_LE;
runtime->hw.rates |= SNDRV_PCM_RATE_8000_48000;
runtime->hw.rate_min = 4000;
runtime->hw.rate_max = 50000;