In sound/oss/vidc.c, the function vidc_audio_trigger contains thefollowing
code:
struct audio_operations *adev = audio_devs[dev];
if (enable_bits & PCM_ENABLE_OUTPUT) {
if (!(adev->flags & DMA_ACTIVE)) {
unsigned long flags;
local_irq_save(flags);
/* prevent recusion */
adev->flags |= DMA_ACTIVE;
...
}
}
I wonder if the use of DMA_ACTIVE is correct? This constant is defined
inthe file sound/oss/dev_table.h within the definition of the structure
dma_buffparms. But here it is being used with the structure
audio_operations. The definition of audio_operations also contains the
definitions of some constants. Indeed, one of them, DMA_DUPLEX has the
same value as DMA_ACTIVE.
thanks,
julia
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