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authorTakashi Sakamoto <o-takashi@sakamocchi.jp>2018-05-14 07:09:52 +0900
committerTakashi Iwai <tiwai@suse.de>2018-05-14 17:47:57 +0200
commit51cdc8b6a659727ceb843674aae1b3fb69cbe6cb (patch)
tree40f3fcbf7513458b37784cb197ad2c141e3976b6 /sound/pci/hda/hda_codec.c
parent841bdb7c0bde0fb2068c64a09bb89a06be63c4d6 (diff)
ALSA: hda: use position offset macro of TLV data
A series of SNDRV_CTL_TLVO_XXX macro was introduced for position offset of TLV data. This commit applies a code optimization. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r--sound/pci/hda/hda_codec.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 63f177d975fd..08151f3c0b13 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1493,10 +1493,10 @@ static void get_ctl_amp_tlv(struct snd_kcontrol *kcontrol, unsigned int *tlv)
val1 = ((int)val1) * ((int)val2);
if (min_mute || (caps & AC_AMPCAP_MIN_MUTE))
val2 |= TLV_DB_SCALE_MUTE;
- tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
- tlv[1] = 2 * sizeof(unsigned int);
- tlv[2] = val1;
- tlv[3] = val2;
+ tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
+ tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
+ tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = val1;
+ tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = val2;
}
/**
@@ -1544,10 +1544,10 @@ void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir,
nums = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT;
step = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT;
step = (step + 1) * 25;
- tlv[0] = SNDRV_CTL_TLVT_DB_SCALE;
- tlv[1] = 2 * sizeof(unsigned int);
- tlv[2] = -nums * step;
- tlv[3] = step;
+ tlv[SNDRV_CTL_TLVO_TYPE] = SNDRV_CTL_TLVT_DB_SCALE;
+ tlv[SNDRV_CTL_TLVO_LEN] = 2 * sizeof(unsigned int);
+ tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] = -nums * step;
+ tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] = step;
}
EXPORT_SYMBOL_GPL(snd_hda_set_vmaster_tlv);
@@ -1845,10 +1845,10 @@ static int init_slave_0dB(struct snd_kcontrol *slave,
} else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
tlv = kctl->tlv.p;
- if (!tlv || tlv[0] != SNDRV_CTL_TLVT_DB_SCALE)
+ if (!tlv || tlv[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
return 0;
- step = tlv[3];
+ step = tlv[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP];
step &= ~TLV_DB_SCALE_MUTE;
if (!step)
return 0;
@@ -1860,7 +1860,7 @@ static int init_slave_0dB(struct snd_kcontrol *slave,
}
arg->step = step;
- val = -tlv[2] / step;
+ val = -tlv[SNDRV_CTL_TLVO_DB_SCALE_MIN] / step;
if (val > 0) {
put_kctl_with_value(slave, val);
return val;