ASoC: hdmi-codec: use sizeof_field rather than declaring hcp

Use FIELD_SIZEOF rather than declaring and initializing hcp. Remove
unused variables. Cleans up clang warning:

warning: Value stored to 'hcp' during its initialization is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 1 insertions, 4 deletions

diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 3abf82563408..5672e516bec3 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -303,11 +303,8 @@ enum {
 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
                              struct snd_ctl_elem_info *uinfo)
 {
-        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
-        struct hdmi_codec_priv *hcp = snd_soc_component_get_drvdata(component);
-
         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
-        uinfo->count = sizeof(hcp->eld);
+        uinfo->count = FIELD_SIZEOF(struct hdmi_codec_priv, eld);
 
         return 0;
 }