Hi Mark, On 11/26/2013 09:22 PM, Mark Brown wrote: > On Tue, Nov 26, 2013 at 12:17:51PM +0800, Bo Shen wrote: > >> + card->drvdata = priv; > > You should use snd_soc_card_set_drvdata() for this. OK, I will change to use snd_soc_card_set_drvdata() for this. Thanks. Best Regards, Bo Shen