[alsa-devel] question on dapm_reg_event()

Haojian Zhuang haojian.zhuang at gmail.com
Tue Jan 5 03:10:27 CET 2010

Hi all,

I just have a question on dapm code. In dapm_reg_event(), -(w->reg +
1) is input parameter of snd_soc_update_bits(). Why we need to use
negative value as input parameter at here? Why do we not use w->reg at


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