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Commit e6382cf8 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] pcxhr - Fix dB level information 



Some dB level information is wrong in pcxhr driver according to the
datasheet.  Fixed now.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 1194b5b7

sound/pci/pcxhr/pcxhr_mixer.c

+3 −3
Original line number Diff line number Diff line
@@ -44,8 +44,8 @@ 
#define PCXHR_ANALOG_PLAYBACK_LEVEL_MAX  128	/*    0.0 dB */

#define PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL 104	/*  -24.0 dB ( 0.0 dB - fix level +24.0 dB ) */



static const DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -9600, 50, 0);

static const DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -12800, 100, 0);

static const DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -9600, 50, 3150);

static const DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -10400, 100, 2400);



static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel)

{
@@ -188,7 +188,7 @@ static struct snd_kcontrol_new pcxhr_control_output_switch = { 
#define PCXHR_DIGITAL_LEVEL_MAX		0x1ff	/* +18 dB */

#define PCXHR_DIGITAL_ZERO_LEVEL	0x1b7	/*  0 dB */



static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10950, 50, 0);

static const DECLARE_TLV_DB_SCALE(db_scale_digital, -10975, 25, 1800);



#define MORE_THAN_ONE_STREAM_LEVEL	0x000001

#define VALID_STREAM_PAN_LEVEL_MASK	0x800000