[ALSA] ASoC WM9712 kmemdup
This patch creates the WM9712 codec register cache using kmemdup instead
of doing a kzalloc followed by a memcpy.
Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
index ee7a691..264413a 100644
--- a/sound/soc/codecs/wm9712.c
+++ b/sound/soc/codecs/wm9712.c
@@ -676,14 +676,13 @@
codec = socdev->codec;
mutex_init(&codec->mutex);
- codec->reg_cache =
- kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
+ codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
+
if (codec->reg_cache == NULL) {
ret = -ENOMEM;
goto cache_err;
}
- memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
- codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg);
+ codec->reg_cache_size = sizeof(wm9712_reg);
codec->reg_cache_step = 2;
codec->name = "WM9712";