[alsa-devel] [PATCH] ASoC: io: Retrieve val_bytes from the regmap API
Allow us to build infrastructure which needs to know the size of a value without requiring regmap based drivers to supply this information to both ASoC and regmap by asking regmap for the value.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/soc-io.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c index 39ba507..4d8dc6a 100644 --- a/sound/soc/soc-io.c +++ b/sound/soc/soc-io.c @@ -114,6 +114,7 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, enum snd_soc_control_type control) { struct regmap_config config; + int ret;
memset(&config, 0, sizeof(config)); codec->write = hw_write; @@ -141,6 +142,11 @@ int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, case SND_SOC_REGMAP: /* Device has made its own regmap arrangements */ codec->using_regmap = true; + + ret = regmap_get_val_bytes(codec->control_data); + /* Errors are legitimate for non-integer byte multiples */ + if (ret > 0) + codec->val_bytes = ret; break;
default:
On Fri, 2012-02-17 at 14:34 -0800, Mark Brown wrote:
Allow us to build infrastructure which needs to know the size of a value without requiring regmap based drivers to supply this information to both ASoC and regmap by asking regmap for the value.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com
Acked-by: Liam Girdwood lrg@ti.com
participants (2)
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Liam Girdwood
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Mark Brown