From 7058c042001e111c601e1b031d9bcb8b5d392b74 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 21 Aug 2006 18:44:54 +0200 Subject: [PATCH] [ALSA] Added TLV support to VIA82xx driver Added the TLV support to VIA82xx driver for addition of dB range information. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/via82xx.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index e0e3bfd7a2db..6db3d4cc4d8d 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -59,6 +59,7 @@ #include #include #include +#include #include #include #include @@ -1698,21 +1699,29 @@ static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, return change; } +static DECLARE_TLV_DB_SCALE(db_scale_dxs, -9450, 150, 1); + static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { .name = "PCM Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .info = snd_via8233_dxs_volume_info, .get = snd_via8233_pcmdxs_volume_get, .put = snd_via8233_pcmdxs_volume_put, + .tlv = { .p = db_scale_dxs } }; static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { .name = "VIA DXS Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .count = 4, .info = snd_via8233_dxs_volume_info, .get = snd_via8233_dxs_volume_get, .put = snd_via8233_dxs_volume_put, + .tlv = { .p = db_scale_dxs } }; /* -- 2.39.2