diff options
| -rw-r--r-- | sound/soc/codecs/hdmi-codec.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index bc2c22436ba6..7aa50c5bd3df 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -426,10 +426,14 @@ static int hdmi_codec_iec958_default_put(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component); + if (!memcmp(hcp->iec_status, ucontrol->value.iec958.status, + sizeof(hcp->iec_status))) + return 0; + memcpy(hcp->iec_status, ucontrol->value.iec958.status, sizeof(hcp->iec_status)); - return 0; + return 1; } static int hdmi_codec_iec958_mask_get(struct snd_kcontrol *kcontrol, |