ASoC: wm5102: Use get_unaligned_be16() for dac_comp_coeff

Replace the two-step copy-and-convert in
wm5102_out_comp_coeff_put() with get_unaligned_be16(). Apart from
looking nicer, it avoids this sparse warning:

wm5102.c:687:35: sparse: sparse: cast to restricted __be16

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20201015102703.24622-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 2ed3fa6..70d353b 100644 (file)
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -682,9 +682,7 @@ static int wm5102_out_comp_coeff_put(struct snd_kcontrol *kcontrol,
        struct arizona *arizona = dev_get_drvdata(component->dev->parent);
 
        mutex_lock(&arizona->dac_comp_lock);
-       memcpy(&arizona->dac_comp_coeff, ucontrol->value.bytes.data,
-              sizeof(arizona->dac_comp_coeff));
-       arizona->dac_comp_coeff = be16_to_cpu(arizona->dac_comp_coeff);
+       arizona->dac_comp_coeff = get_unaligned_be16(ucontrol->value.bytes.data);
        mutex_unlock(&arizona->dac_comp_lock);
 
        return 0;