ALSA: Warn when control names are truncated
This is likely to confuse user interfaces since the end of the control name is interpreted (eg, "Volume", "Switch"). Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -225,8 +225,13 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
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kctl.id.iface = ncontrol->iface;
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kctl.id.device = ncontrol->device;
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kctl.id.subdevice = ncontrol->subdevice;
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if (ncontrol->name)
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if (ncontrol->name) {
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strlcpy(kctl.id.name, ncontrol->name, sizeof(kctl.id.name));
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if (strcmp(ncontrol->name, kctl.id.name) != 0)
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snd_printk(KERN_WARNING
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"Control name '%s' truncated to '%s'\n",
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ncontrol->name, kctl.id.name);
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}
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kctl.id.index = ncontrol->index;
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kctl.count = ncontrol->count ? ncontrol->count : 1;
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access = ncontrol->access == 0 ? SNDRV_CTL_ELEM_ACCESS_READWRITE :
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