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authorLars-Peter Clausen <lars@metafoo.de>2011-08-27 18:24:13 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-08-31 09:46:16 +0100
commit6c5b756aaa3e4a20c8d4b47b9dc4799b9cfdfcb8 (patch)
tree475410b3da2b4189a91b54c9cee90ae8a36e2fab
parent63fa0a288cfedca681175fe13cf15677e944cdb2 (diff)
downloadop-kernel-dev-6c5b756aaa3e4a20c8d4b47b9dc4799b9cfdfcb8.zip
op-kernel-dev-6c5b756aaa3e4a20c8d4b47b9dc4799b9cfdfcb8.tar.gz
ASoC: Fix register cache sync register_writable WARN_ONs
Currently the condition for these WARN_ONs is reversed and they are placed before the actual check whether we are going to write to that register. So if the codec implements the register_writable callback we'll get a warning for each writable register when syncing the register cache. While we are at it change the check to use snd_soc_codec_writable_register instead of open-coding it. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
-rw-r--r--sound/soc/soc-cache.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index d9f8ade..20b7f3b 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -203,14 +203,14 @@ static int snd_soc_rbtree_cache_sync(struct snd_soc_codec *codec)
rbnode = rb_entry(node, struct snd_soc_rbtree_node, node);
for (i = 0; i < rbnode->blklen; ++i) {
regtmp = rbnode->base_reg + i;
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, regtmp));
val = snd_soc_rbtree_get_register(rbnode, i);
def = snd_soc_get_cache_val(codec->reg_def_copy, i,
rbnode->word_size);
if (val == def)
continue;
+ WARN_ON(!snd_soc_codec_writable_register(codec, regtmp));
+
codec->cache_bypass = 1;
ret = snd_soc_write(codec, regtmp, val);
codec->cache_bypass = 0;
@@ -563,8 +563,7 @@ static int snd_soc_lzo_cache_sync(struct snd_soc_codec *codec)
lzo_blocks = codec->reg_cache;
for_each_set_bit(i, lzo_blocks[0]->sync_bmp, lzo_blocks[0]->sync_bmp_nbits) {
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, i));
+ WARN_ON(!snd_soc_codec_writable_register(codec, i));
ret = snd_soc_cache_read(codec, i, &val);
if (ret)
return ret;
@@ -823,8 +822,6 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec)
codec_drv = codec->driver;
for (i = 0; i < codec_drv->reg_cache_size; ++i) {
- WARN_ON(codec->writable_register &&
- codec->writable_register(codec, i));
ret = snd_soc_cache_read(codec, i, &val);
if (ret)
return ret;
@@ -832,6 +829,9 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec)
if (snd_soc_get_cache_val(codec->reg_def_copy,
i, codec_drv->reg_word_size) == val)
continue;
+
+ WARN_ON(!snd_soc_codec_writable_register(codec, i));
+
ret = snd_soc_write(codec, i, val);
if (ret)
return ret;
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