1REGISTER_SOUND_MIXER(9) Sound Devices REGISTER_SOUND_MIXER(9)
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6 register_sound_mixer - register a mixer device
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9 int register_sound_mixer(const struct file_operations * fops, int dev);
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12 fops
13 File operations for the driver
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15 dev
16 Unit number to allocate
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19 Allocate a mixer device. Unit is the number of the mixer requested.
20 Pass -1 to request the next free mixer unit. On success the allocated
21 number is returned, on failure a negative error code is returned.
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24Kernel Hackers Manual 2.6. November 2011 REGISTER_SOUND_MIXER(9)