diff options
Diffstat (limited to 'Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl')
| -rw-r--r-- | Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index 6feef9e82b6..68eeebc17ff 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -1123,8 +1123,8 @@ if ((err = pci_enable_device(pci)) < 0) return err; /* check PCI availability (28bit DMA) */ - if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || - pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { + if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 || + pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) { printk(KERN_ERR "error to set 28bit mask DMA\n"); pci_disable_device(pci); return -ENXIO; @@ -1216,7 +1216,7 @@ The allocation of PCI resources is done in the <function>probe()</function> function, and usually an extra <function>xxx_create()</function> function is written for this - purpose. + purpose. </para> <para> @@ -1225,7 +1225,7 @@ allocating resources. Also, you need to set the proper PCI DMA mask to limit the accessed i/o range. In some cases, you might need to call <function>pci_set_master()</function> function, - too. + too. </para> <para> @@ -1236,8 +1236,8 @@ <![CDATA[ if ((err = pci_enable_device(pci)) < 0) return err; - if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || - pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { + if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 || + pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) { printk(KERN_ERR "error to set 28bit mask DMA\n"); pci_disable_device(pci); return -ENXIO; @@ -1256,13 +1256,13 @@ functions. Unlike ALSA ver.0.5.x., there are no helpers for that. And these resources must be released in the destructor function (see below). Also, on ALSA 0.9.x, you don't need to - allocate (pseudo-)DMA for PCI like ALSA 0.5.x. + allocate (pseudo-)DMA for PCI like ALSA 0.5.x. </para> <para> Now assume that this PCI device has an I/O port with 8 bytes and an interrupt. Then struct <structname>mychip</structname> will have the - following fields: + following fields: <informalexample> <programlisting> |