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| author |   Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2018-05-14 07:09:52 +0900 |
|---|---|---|
| committer |   Takashi Iwai <tiwai@suse.de> | 2018-05-14 17:47:57 +0200 |
| commit | 51cdc8b6a659727ceb843674aae1b3fb69cbe6cb (patch) | |
| tree | 40f3fcbf7513458b37784cb197ad2c141e3976b6 /sound/pci/hda/hda_codec.c | |
| parent | ALSA: vmaster: use position offset macro of TLV data (diff) | |
| download | linux-dev-51cdc8b6a659727ceb843674aae1b3fb69cbe6cb.tar.xz linux-dev-51cdc8b6a659727ceb843674aae1b3fb69cbe6cb.zip | |
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.c | 22 |
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; |