diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index 08ed973b2d97..a3b1f1c064dd 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -635,6 +635,33 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, } EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); +static int snd_soc_clip_to_platform_max(struct snd_kcontrol *kctl) +{ + struct soc_mixer_control *mc = (struct soc_mixer_control *)kctl->private_value; + struct snd_ctl_elem_value uctl; + int ret; + + if (!mc->platform_max) + return 0; + + ret = kctl->get(kctl, &uctl); + if (ret < 0) + return ret; + + if (uctl.value.integer.value[0] > mc->platform_max) + uctl.value.integer.value[0] = mc->platform_max; + + if (snd_soc_volsw_is_stereo(mc) && + uctl.value.integer.value[1] > mc->platform_max) + uctl.value.integer.value[1] = mc->platform_max; + + ret = kctl->put(kctl, &uctl); + if (ret < 0) + return ret; + + return 0; +} + /** * snd_soc_limit_volume - Set new limit to an existing volume control. * @@ -667,7 +694,7 @@ int snd_soc_limit_volume(struct snd_soc_card *card, mc = (struct soc_mixer_control *)kctl->private_value; if (max <= mc->max) { mc->platform_max = max; - ret = 0; + ret = snd_soc_clip_to_platform_max(kctl); } } return ret;