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 to control volume using dB scale
Date: Sat, 14 Mar 2015 03:31:40 +0100 [thread overview]
Message-ID: <55039da2.6a07c20a.1b00.ffffa601@mx.google.com> (raw)
In-Reply-To: <1426300302-20542-1-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..3af9daf 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
+ .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
_______________________________________________
Alsa-devel mailing list
Alsa-devel@alsa-project.org
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2015-03-14 2:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1426300302-20542-1-git-send-email-me>
2015-03-14 2:31 ` [PATCH 2/6] ESI W192M : Update eeprom structure to C99 standard klem.dev
2015-03-14 2:31 ` [PATCH 3/6] ESI W192M : Enable midi i/o port for envy24 chip klem.dev
2015-03-14 2:31 ` klem.dev [this message]
2015-03-14 4:01 ` [PATCH 4/6] ESI W192M : Add TLV support to control volume using dB scale Clément Guedez
2015-03-14 8:11 ` Takashi Iwai
2015-03-14 2:31 ` [PATCH 5/6] ESI W192M : Add text Line in/Mic for selecting input gain state klem.dev
2015-03-14 8:10 ` Takashi Iwai
2015-03-14 13:45 ` Clément Guedez
2015-03-14 2:31 ` [PATCH 6/6] ESI W192M : Add sampling rate control of the ADC/DAC klem.dev
2015-03-14 4:02 ` Clément Guedez
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=55039da2.6a07c20a.1b00.ffffa601@mx.google.com \
--to=klem.dev@gmail.com \
--cc=alsa-devel@alsa-project.org \
--cc=patch@alsa-project.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox