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authorMark Brown <broonie@linaro.org>2013-06-26 12:45:59 +0100
committerMark Brown <broonie@linaro.org>2013-06-27 09:48:42 +0100
commitb047e1cce8fe32475ab61846772943a5e4c0a908 (patch)
tree9d04d8101d161b96f96c2e2e5bd03900011828ec /sound/soc/codecs/ad1980.c
parentb49dff8cb61cd4715991612e2eb6905b73a0be78 (diff)
downloadlinux-b047e1cce8fe32475ab61846772943a5e4c0a908.tar.bz2
ASoC: ac97: Support multi-platform AC'97
Currently we can only have a single platform built in with AC'97 support due to the use of a global variable to provide the bus operations. Fix this by making that variable a pointer and having the bus drivers set the operations prior to registering. This is not a particularly good or nice approach but it avoids blocking multiplatform and a real fix involves fixing the fairly deep problems with AC'97 support - we should be converting it to a real bus. Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/codecs/ad1980.c')
-rw-r--r--sound/soc/codecs/ad1980.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c
index f385342947d3..89fcf7d6e7b8 100644
--- a/sound/soc/codecs/ad1980.c
+++ b/sound/soc/codecs/ad1980.c
@@ -108,7 +108,7 @@ static unsigned int ac97_read(struct snd_soc_codec *codec,
case AC97_EXTENDED_STATUS:
case AC97_VENDOR_ID1:
case AC97_VENDOR_ID2:
- return soc_ac97_ops.read(codec->ac97, reg);
+ return soc_ac97_ops->read(codec->ac97, reg);
default:
reg = reg >> 1;
@@ -124,7 +124,7 @@ static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
{
u16 *cache = codec->reg_cache;
- soc_ac97_ops.write(codec->ac97, reg, val);
+ soc_ac97_ops->write(codec->ac97, reg, val);
reg = reg >> 1;
if (reg < ARRAY_SIZE(ad1980_reg))
cache[reg] = val;
@@ -154,13 +154,13 @@ static int ad1980_reset(struct snd_soc_codec *codec, int try_warm)
u16 retry_cnt = 0;
retry:
- if (try_warm && soc_ac97_ops.warm_reset) {
- soc_ac97_ops.warm_reset(codec->ac97);
+ if (try_warm && soc_ac97_ops->warm_reset) {
+ soc_ac97_ops->warm_reset(codec->ac97);
if (ac97_read(codec, AC97_RESET) == 0x0090)
return 1;
}
- soc_ac97_ops.reset(codec->ac97);
+ soc_ac97_ops->reset(codec->ac97);
/* Set bit 16slot in register 74h, then every slot will has only 16
* bits. This command is sent out in 20bit mode, in which case the
* first nibble of data is eaten by the addr. (Tag is always 16 bit)*/
@@ -186,7 +186,7 @@ static int ad1980_soc_probe(struct snd_soc_codec *codec)
printk(KERN_INFO "AD1980 SoC Audio Codec\n");
- ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
+ ret = snd_soc_new_ac97_codec(codec, soc_ac97_ops, 0);
if (ret < 0) {
printk(KERN_ERR "ad1980: failed to register AC97 codec\n");
return ret;