* [PATCH v3 1/8] ASoC: da7210: bugfix for head phone volume control
@ 2011-10-14 10:55 Ashish Chavan
2011-10-14 19:38 ` [alsa-devel] " Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Ashish Chavan @ 2011-10-14 10:55 UTC (permalink / raw)
To: Mark Brown, lrg, alsa-devel
Cc: linux-kernel, kuninori.morimoto.gx, David Dajun Chen
This patch takes care of reserved bits of headphone volume
register by using correct volume range.
Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com>
Signed-off-by: David Dajun Chen <dchen@diasemi.com>
---
sound/soc/codecs/da7210.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index ff68247..0809f32 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -149,12 +149,14 @@
* mute : 0x10
* reserved : 0x00 - 0x0F
*
- * ** FIXME **
- *
* Reserved area are considered as "mute".
- * -> min = -79.5 dB
*/
-static const DECLARE_TLV_DB_SCALE(hp_out_tlv, -7950, 150, 1);
+static const unsigned int hp_out_tlv[] = {
+ TLV_DB_RANGE_HEAD(2),
+ 0x0, 0x10, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
+ /* -54 dB to +15 dB */
+ 0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0),
+};
static const struct snd_kcontrol_new da7210_snd_controls[] = {
--
1.7.1
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