linux-kernel - Re: [PATCH v2 4/6] staging: greybus: audio: Resolve compilation error in topology parser

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Message-ID: <20200610183630.GA26807@gmail.com>
Date:   Thu, 11 Jun 2020 00:06:32 +0530
From:   Vaibhav Agarwal <vaibhav.sr@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alex Elder <elder@...nel.org>, Johan Hovold <johan@...nel.org>,
        Mark Greer <mgreer@...malcreek.com>,
        Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        devel@...verdev.osuosl.org, alsa-devel@...a-project.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-kernel@...r.kernel.org, greybus-dev@...ts.linaro.org
Subject: Re: [PATCH v2 4/6] staging: greybus: audio: Resolve compilation
 error in topology parser

On Wed, Jun 10, 2020 at 08:45:35PM +0300, Dan Carpenter wrote:
> On Wed, Jun 10, 2020 at 10:58:28PM +0530, Vaibhav Agarwal wrote:
> > @@ -437,11 +433,12 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
> >  	struct gbaudio_module_info *module;
> >  	struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
> >  	struct snd_soc_dapm_widget *widget = wlist->widgets[0];
> > -	struct snd_soc_codec *codec = widget->codec;
> > -	struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
> > +	struct device *codec_dev = widget->dapm->dev;
> > +	struct gbaudio_codec_info *gb = dev_get_drvdata(codec_dev);
> > +	struct snd_soc_dapm_update *update = NULL;
>                                     ^^^^^^^^^^^^^
> 
> >  	struct gb_bundle *bundle;
> >  
> > -	dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
> > +	dev_dbg(codec_dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
> >  	module = find_gb_module(gb, kcontrol->id.name);
> >  	if (!module)
> >  		return -EINVAL;
> > @@ -458,17 +455,13 @@ static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
> >  	max = le32_to_cpu(info->value.integer.max);
> >  	mask = (1 << fls(max)) - 1;
> >  	val = ucontrol->value.integer.value[0] & mask;
> > -	connect = !!val;
> >  
> >  	/* update ucontrol */
> >  	if (gbvalue.value.integer_value[0] != val) {
> >  		for (wi = 0; wi < wlist->num_widgets; wi++) {
> >  			widget = wlist->widgets[wi];
> > -
> > -			widget->value = val;
> > -			widget->dapm->update = NULL;
> > -			snd_soc_dapm_mixer_update_power(widget, kcontrol,
> > -							connect);
> > +			snd_soc_dapm_mixer_update_power(widget->dapm, kcontrol,
> > +							val, update);
>                                                              ^^^^^^
> Always NULL.  Just delete the update variable.

Aah, my bad! Thanks Dan for sharing your comments. I'll fix this while 
sharing next patchset.

--
Regards,
Vaibhav

> 
> regards,
> dan carpenter
> 
>