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ASoC: rt298: Make rt298_index_def const 

The index_cache is per instance run time state but rt298_index_def is not.
Make rt298_index_def const and make a copy of memory for index_cache rather
than directly use the rt298_index_def.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2015-10-05 21:23:48 +08:00 committed by Mark Brown
parent a5fe58fd28
commit 3943b9efb3
1 changed files with 6 additions and 2 deletions
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8
sound/soc/codecs/rt298.c
View File

@ -49,7 +49,7 @@ struct rt298_priv {
int is_hp_in;
};
static struct reg_default rt298_index_def[] = {
static const struct reg_default rt298_index_def[] = {
{ 0x01, 0xaaaa },
{ 0x02, 0x8aaa },
{ 0x03, 0x0002 },
@ -1165,7 +1165,11 @@ static int rt298_i2c_probe(struct i2c_client *i2c,
return -ENODEV;
}
rt298->index_cache = rt298_index_def;
rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
sizeof(rt298_index_def), GFP_KERNEL);
if (!rt298->index_cache)
return -ENOMEM;
rt298->index_cache_size = INDEX_CACHE_SIZE;
rt298->i2c = i2c;
i2c_set_clientdata(i2c, rt298);