From: klem.dev@gmail.com
To: patch@alsa-project.org
Cc: "Clément Guedez" <klem.dev@gmail.com>, alsa-devel@alsa-project.org
Subject: [PATCH 4/6] ESI W192M : Add TLV support for control value in dB scale
Date: Mon, 16 Mar 2015 01:20:53 +0100 [thread overview]
Message-ID: <550621f2.28eec20a.543a.fffffbe5@mx.google.com> (raw)
In-Reply-To: <1426465255-19005-1-git-send-email-me>
From: Clément Guedez <klem.dev@gmail.com>
Add TLV support to control volume using dB scale for input and ouput on ESI W192M.
Signed-off-by: Clément Guedez <klem.dev@gmail.com>
diff --git a/sound/pci/ice1712/wtm.c b/sound/pci/ice1712/wtm.c
index 59483b4..c7ffafa 100644
--- a/sound/pci/ice1712/wtm.c
+++ b/sound/pci/ice1712/wtm.c
@@ -29,6 +29,7 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <sound/core.h>
+#include <sound/tlv.h>
#include "ice1712.h"
#include "envy24ht.h"
@@ -380,17 +381,25 @@ static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
return change;
}
+
+/*Limits value in dB for fader*/
+static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);
+static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);
+
/*
* Control tabs
*/
static struct snd_kcontrol_new stac9640_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Master Playback Switch",
.info = stac9460_dac_mute_info,
.get = stac9460_dac_mute_get,
.put = stac9460_dac_mute_put,
- .private_value = 1
+ .private_value = 1,
+ .tlv = { .p = db_scale_dac }
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -419,11 +428,15 @@ static struct snd_kcontrol_new stac9640_controls[] = {
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+
.name = "DAC Volume",
.count = 8,
.info = stac9460_dac_vol_info,
.get = stac9460_dac_vol_get,
.put = stac9460_dac_vol_put,
+ .tlv = { .p = db_scale_dac }
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -435,12 +448,15 @@ static struct snd_kcontrol_new stac9640_controls[] = {
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+
.name = "ADC Volume",
.count = 2,
.info = stac9460_adc_vol_info,
.get = stac9460_adc_vol_get,
.put = stac9460_adc_vol_put,
-
+ .tlv = { .p = db_scale_adc }
}
};
--
2.1.4
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next prev parent reply other threads:[~2015-03-16 0:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1426465255-19005-1-git-send-email-me>
2015-03-16 0:20 ` [PATCH 2/6] ESI W192M : Update eeprom structure to C99 standard klem.dev
2015-03-16 0:20 ` [PATCH 3/6] ESI W192M : Enable midi i/o of port envy24 chip as available klem.dev
2015-03-16 0:20 ` klem.dev [this message]
2015-03-16 0:20 ` [PATCH 5/6] ESI W192M : Add text Line in/Mic for selecting input gain state klem.dev
2015-03-16 7:51 ` Takashi Iwai
2015-03-16 14:54 ` Clément Guedez
2015-03-16 14:55 ` Takashi Iwai
2015-03-16 0:20 ` [PATCH 6/6] ESI W192M : Add sampling rate control of the ADC/DAC klem.dev
[not found] <1426641991-3694-1-git-send-email-me>
2015-03-18 1:26 ` [PATCH 4/6] ESI W192M : Add TLV support for control value in dB scale klem.dev
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