[ALSA] Add TLV support to AC97 codec driver
Added the TLV support to AC97 codec driver for addition of
dB range information.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 37c6be4..392f6cc 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -32,6 +32,7 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/control.h>
+#include <sound/tlv.h>
#include <sound/ac97_codec.h>
#include "ac97_patch.h"
#include "ac97_id.h"
@@ -51,6 +52,20 @@
return 0;
}
+/* replace with a new TLV */
+static void reset_tlv(struct snd_ac97 *ac97, const char *name,
+ unsigned int *tlv)
+{
+ struct snd_ctl_elem_id sid;
+ struct snd_kcontrol *kctl;
+ memset(&sid, 0, sizeof(sid));
+ strcpy(sid.name, name);
+ sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ kctl = snd_ctl_find_id(ac97->bus->card, &sid);
+ if (kctl && kctl->tlv.p)
+ kctl->tlv.p = tlv;
+}
+
/* set to the page, update bits and restore the page */
static int ac97_update_bits_page(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value, unsigned short page)
{
@@ -1522,12 +1537,16 @@
AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 8, 1, 1), /* inverted */
};
+static DECLARE_TLV_DB_SCALE(db_scale_6bit_6db_max, -8850, 150, 0);
+
static int patch_ad1885_specific(struct snd_ac97 * ac97)
{
int err;
if ((err = patch_build_controls(ac97, snd_ac97_controls_ad1885, ARRAY_SIZE(snd_ac97_controls_ad1885))) < 0)
return err;
+ reset_tlv(ac97, "Headphone Playback Volume",
+ db_scale_6bit_6db_max);
return 0;
}
@@ -1551,12 +1570,27 @@
return 0;
}
+static int patch_ad1886_specific(struct snd_ac97 * ac97)
+{
+ reset_tlv(ac97, "Headphone Playback Volume",
+ db_scale_6bit_6db_max);
+ return 0;
+}
+
+static struct snd_ac97_build_ops patch_ad1886_build_ops = {
+ .build_specific = &patch_ad1886_specific,
+#ifdef CONFIG_PM
+ .resume = ad18xx_resume
+#endif
+};
+
int patch_ad1886(struct snd_ac97 * ac97)
{
patch_ad1881(ac97);
/* Presario700 workaround */
/* for Jack Sense/SPDIF Register misetting causing */
snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010);
+ ac97->build_ops = &patch_ad1886_build_ops;
return 0;
}
@@ -2015,6 +2049,8 @@
/* AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 13, 1, 0), */
};
+static DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_max, -4350, 150, 0);
+
static int patch_alc650_specific(struct snd_ac97 * ac97)
{
int err;
@@ -2025,6 +2061,9 @@
if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc650, ARRAY_SIZE(snd_ac97_spdif_controls_alc650))) < 0)
return err;
}
+ if (ac97->id != AC97_ID_ALC650F)
+ reset_tlv(ac97, "Master Playback Volume",
+ db_scale_5bit_3db_max);
return 0;
}