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Diffstat (limited to 'sound/soc/codecs/si476x.c')
-rw-r--r--sound/soc/codecs/si476x.c47
1 files changed, 41 insertions, 6 deletions
diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c
index 566ea3256e2d..721587c9cd84 100644
--- a/sound/soc/codecs/si476x.c
+++ b/sound/soc/codecs/si476x.c
@@ -1,3 +1,22 @@
+/*
+ * sound/soc/codecs/si476x.c -- Codec driver for SI476X chips
+ *
+ * Copyright (C) 2012 Innovative Converged Devices(ICD)
+ * Copyright (C) 2013 Andrey Smirnov
+ *
+ * Author: Andrey Smirnov <andrew.smirnov@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ */
+
#include <linux/module.h>
#include <linux/slab.h>
#include <sound/pcm.h>
@@ -45,13 +64,23 @@ static unsigned int si476x_codec_read(struct snd_soc_codec *codec,
unsigned int reg)
{
int err;
+ unsigned int val;
struct si476x_core *core = codec->control_data;
si476x_core_lock(core);
- err = si476x_core_cmd_get_property(core, reg);
+ if (!si476x_core_is_powered_up(core))
+ regcache_cache_only(core->regmap, true);
+
+ err = regmap_read(core->regmap, reg, &val);
+
+ if (!si476x_core_is_powered_up(core))
+ regcache_cache_only(core->regmap, false);
si476x_core_unlock(core);
- return err;
+ if (err < 0)
+ return err;
+
+ return val;
}
static int si476x_codec_write(struct snd_soc_codec *codec,
@@ -61,7 +90,13 @@ static int si476x_codec_write(struct snd_soc_codec *codec,
struct si476x_core *core = codec->control_data;
si476x_core_lock(core);
- err = si476x_core_cmd_set_property(core, reg, val);
+ if (!si476x_core_is_powered_up(core))
+ regcache_cache_only(core->regmap, true);
+
+ err = regmap_write(core->regmap, reg, val);
+
+ if (!si476x_core_is_powered_up(core))
+ regcache_cache_only(core->regmap, false);
si476x_core_unlock(core);
return err;
@@ -140,7 +175,7 @@ static int si476x_codec_set_dai_fmt(struct snd_soc_dai *codec_dai,
dev_err(codec_dai->codec->dev, "Failed to set output format\n");
return err;
}
-
+
return 0;
}
@@ -182,7 +217,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
err = snd_soc_update_bits(dai->codec, SI476X_DIGITAL_IO_OUTPUT_FORMAT,
SI476X_DIGITAL_IO_OUTPUT_WIDTH_MASK,
- (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) |
+ (width << SI476X_DIGITAL_IO_SLOT_SIZE_SHIFT) |
(width << SI476X_DIGITAL_IO_SAMPLE_SIZE_SHIFT));
if (err < 0) {
dev_err(dai->codec->dev, "Failed to set output width\n");
@@ -251,6 +286,6 @@ static struct platform_driver si476x_platform_driver = {
};
module_platform_driver(si476x_platform_driver);
-MODULE_AUTHOR("Andrey Smirnov <andrey.smirnov@convergeddevices.net>");
+MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>");
MODULE_DESCRIPTION("ASoC Si4761/64 codec driver");
MODULE_LICENSE("GPL");