On Fri, 2010-06-25 at 16:57 +0900, Kuninori Morimoto wrote:
Signed-off-by: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
This patch works for me. But I'm not sure it is correct settings. Please check it carefully
sound/soc/codecs/ak4642.c | 28 +++++++++++++++++++++++++--- 1 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c index 9a6157f..ce4e6ec 100644 --- a/sound/soc/codecs/ak4642.c +++ b/sound/soc/codecs/ak4642.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <sound/soc-dapm.h> #include <sound/initval.h> +#include <sound/tlv.h>
#include "ak4642.h"
@@ -103,6 +104,23 @@
struct snd_soc_codec_device soc_codec_dev_ak4642;
+/*
- Playback Volume (table 39)
- max : 0x00 : +12.0 dB
( 0.5 dB step )
- min : 0xFE : -115.0 dB
- mute: 0xFF
- */
+static const DECLARE_TLV_DB_SCALE(out_tlv, -11500, 50, 1);
+static const struct snd_kcontrol_new ak4642_snd_controls[] = {
- SOC_DOUBLE_R_TLV("Playback Volume", L_DVC, R_DVC,
0, 0xFF, 1, out_tlv),
Is this for the "Master Playback Volume" ? If so, It should be "Master Playback Volume"
+};
/* codec private data */ struct ak4642_priv { struct snd_soc_codec codec; @@ -190,7 +208,6 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, * * PLL, Master Mode * Audio I/F Format :MSB justified (ADC & DAC)
* Digital Volume: -8dB
Any reason for this ?
* Bass Boost Level : Middle * * This operation came from example code of
@@ -200,8 +217,6 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, ak4642_write(codec, 0x0e, 0x19); ak4642_write(codec, 0x09, 0x91); ak4642_write(codec, 0x0c, 0x91);
ak4642_write(codec, 0x0a, 0x28);
ak4642_write(codec, 0x0d, 0x28);
and this. Both are not mentioned in the commit message.
ak4642_write(codec, 0x00, 0x64); snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP); snd_soc_update_bits(codec, PW_MGMT2, HPMTN, HPMTN);
@@ -446,6 +461,10 @@ static int ak4642_init(struct ak4642_priv *ak4642) return ret; }
- /* default volume */
- ak4642_write(codec, L_DVC, 0x28);
- ak4642_write(codec, R_DVC, 0x28);
- return ret;
}
@@ -524,6 +543,9 @@ static int ak4642_probe(struct platform_device *pdev) goto pcm_err; }
- snd_soc_add_controls(ak4642_codec, ak4642_snd_controls,
ARRAY_SIZE(ak4642_snd_controls));
- dev_info(&pdev->dev, "AK4642 Audio Codec %s", AK4642_VERSION); return ret;
Thanks
Liam