Add the default regmap I/O setting to snd_soc_register_codec() while
the CODEC is initialising, which will be called by CODEC driver device
probe(), and then we can make set_cache_io() go away entirely from each
CODEC ASoC probe.
Signed-off-by: Xiubo Li <li.xi...@freescale.com>
---
include/sound/soc.h | 3 +++
sound/soc/soc-core.c | 11 +++++++++++
2 files changed, 14 insertions(+)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 4c4d7e1..94bc1c4 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -749,6 +749,9 @@ struct snd_soc_codec_driver {
int (*set_pll)(struct snd_soc_codec *codec, int pll_id, int source,
unsigned int freq_in, unsigned int freq_out);
+ /* codec regmap */
+ struct regmap *regmap;
+
/* codec IO */
unsigned int (*read)(struct snd_soc_codec *, unsigned int);
int (*write)(struct snd_soc_codec *, unsigned int, unsigned int);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a14155b..0fb502f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -4443,6 +4443,17 @@ int snd_soc_register_codec(struct device *dev,
codec->num_dai = num_dai;
mutex_init(&codec->mutex);
+ if (!codec->write && (codec_drv->regmap ||
+ dev_get_regmap(codec->dev, NULL))) {
+ /* Set the default I/O up try regmap */
+ ret = snd_soc_codec_set_cache_io(codec, codec_drv->regmap);
+ if (ret < 0 && ret != -ENOTSUPP) {
+ dev_err(codec->dev,
+ "Failed to set cache I/O: %d\n", ret);
+ goto fail_codec_name;
+ }
+ }
+
for (i = 0; i < num_dai; i++) {
fixup_codec_formats(&dai_drv[i].playback);
fixup_codec_formats(&dai_drv[i].capture);
--
1.8.4
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