1SND_AC97_UPDATE_BITS(9) Control/Mixer API SND_AC97_UPDATE_BITS(9)
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6 snd_ac97_update_bits - update the bits on the given register
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9 int snd_ac97_update_bits(struct snd_ac97 * ac97, unsigned short reg,
10 unsigned short mask, unsigned short value);
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13 ac97
14 the ac97 instance
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16 reg
17 the register to change
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19 mask
20 the bit-mask to change
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22 value
23 the value to set
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26 Updates the masked-bits on the given register only when the value is
27 changed.
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30 1 if the bits are changed, 0 if no change, or a negative code on
31 failure.
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34Kernel Hackers Manual 3.10 June 2019 SND_AC97_UPDATE_BITS(9)