linux-kernel - Re: [alsa-devel] [PATCH v3] ASoC: sgtl5000: add avc support

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Date:   Thu, 20 Jul 2017 14:27:11 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Richard Leitner <dev@...l1n.net>
Cc:     Richard Leitner <richard.leitner@...data.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Clemens Gruber <clemens.gruber@...ruber.com>,
        kalle.kankare@...cit.fi, Eric Nelson <eric@...int.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Fabio Estevam <fabio.estevam@....com>
Subject: Re: [alsa-devel] [PATCH v3] ASoC: sgtl5000: add avc support

Hi Richard,

On Thu, Jul 20, 2017 at 2:25 PM, Richard Leitner <dev@...l1n.net> wrote:

> Does this occur only on reboot or everytime the driver tries to read the AVC
> threshold (avc_get_threshold)?
> Are you able to set the AVC threshold (using amixer)?

I am not even using the codec. I just run 'reboot' and the problem happens.

The following change fixes the 'reboot' issue for me. Could you please try it?

--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -409,7 +409,7 @@ static int dac_put_volsw(struct snd_kcontrol *kcontrol,
 static int avc_get_threshold(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
 {
-       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
        int db, i;
        u16 reg = snd_soc_read(codec, SGTL5000_DAP_AVC_THRESHOLD);

@@ -442,7 +442,7 @@ static int avc_get_threshold(struct snd_kcontrol *kcontrol,
 static int avc_put_threshold(struct snd_kcontrol *kcontrol,
                             struct snd_ctl_elem_value *ucontrol)
 {
-       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
        int db;
        u16 reg;