Commit bc6c531e authored by Jaroslav Kysela's avatar Jaroslav Kysela
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[ALSA] HDA driver - do not set mute flag for dB scale (follow HDA specification) 




Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent b7c6b034

sound/pci/hda/hda_codec.c

+0 −7
Original line number Diff line number Diff line
@@ -856,13 +856,6 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, 
	val2 = (((caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT) + 1) * 25;

	val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT);

	val1 = ((int)val1) * ((int)val2);

	if (caps & AC_AMPCAP_MUTE)

		val2 |= 0x10000;

	if ((val2 & 0x10000) == 0 && dir == HDA_OUTPUT) {

		caps = query_amp_caps(codec, nid, HDA_INPUT);

		if (caps & AC_AMPCAP_MUTE)

			val2 |= 0x10000;

	}

	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv))

		return -EFAULT;

	if (put_user(2 * sizeof(unsigned int), _tlv + 1))