From d0ae48471570c680333cbe28c143bbab887a4ec2 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 29 Aug 2006 18:15:15 +0200
Subject: [PATCH] [ALSA] Add missing dB scale information to vxpocket driver
Added the missing dB scale information for Mic volume
to vxpocket driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
---
sound/pcmcia/vx/vxp_mixer.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sound/pcmcia/vx/vxp_mixer.c b/sound/pcmcia/vx/vxp_mixer.c
index e237f6c2018f0..bced7b623b12e 100644
--- a/sound/pcmcia/vx/vxp_mixer.c
+++ b/sound/pcmcia/vx/vxp_mixer.c
@@ -23,6 +23,7 @@
#include <sound/driver.h>
#include <sound/core.h>
#include <sound/control.h>
+#include <sound/tlv.h>
#include "vxpocket.h"
#define MIC_LEVEL_MIN 0
@@ -63,12 +64,17 @@ static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
return 0;
}
+static DECLARE_TLV_DB_SCALE(db_scale_mic, -21, 3, 0);
+
static struct snd_kcontrol_new vx_control_mic_level = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.name = "Mic Capture Volume",
.info = vx_mic_level_info,
.get = vx_mic_level_get,
.put = vx_mic_level_put,
+ .tlv = { .p = db_scale_mic },
};
/*
--
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