From 2b4bdee2920fb3894f9116f76343f8b31f9e4da8 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Fri, 17 Feb 2012 14:33:29 -0800
Subject: [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>
Acked-by: Liam Girdwood <lrg@ti.com>
---
sound/soc/soc-io.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 39ba5070ff92..4d8dc6a27d4d 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: