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[ALSA] Fix bugs in mode change/recalibration for opl3sa2 driver

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The mode change / recalibration doesn't work always with opl3sa2 devices,
e.g. the first time it's played back.  The patch fixes the problem.

Signed-off-by: Paul Vojta <vojta@math.berkeley.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Paul Vojta 2007-07-27 12:20:38 +02:00 committed by Jaroslav Kysela
parent 01ade528d4
commit e2340465ec
3 changed files with 4 additions and 1 deletions
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2
include/sound/cs4231.h
View file

@ -210,7 +210,7 @@
#define CS4231_HW_CS4239 0x0404 /* CS4239 - Crystal Clear (tm) stereo enhancement */
/* compatible, but clones */
#define CS4231_HW_INTERWAVE 0x1000 /* InterWave chip */
#define CS4231_HW_OPL3SA2 0x1001 /* OPL3-SA2 chip */
#define CS4231_HW_OPL3SA2 0x1101 /* OPL3-SA2 chip, similar to cs4231 */
/* defines for codec.hwshare */
#define CS4231_HWSHARE_IRQ (1<<0)

2
sound/isa/cs423x/cs4231_lib.c
View file

@ -555,6 +555,8 @@ static void snd_cs4231_playback_format(struct snd_cs4231 *chip,
snd_cs4231_out(chip, CS4231_PLAYBK_FORMAT, chip->image[CS4231_PLAYBK_FORMAT] = pdfr);
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
if (chip->hardware == CS4231_HW_OPL3SA2)
udelay(100); /* this seems to help */
snd_cs4231_mce_down(chip);
}
snd_cs4231_calibrate_mute(chip, 0);

1
sound/isa/opl3sa2.c
View file

@ -253,6 +253,7 @@ static int __devinit snd_opl3sa2_detect(struct snd_opl3sa2 *chip)
/* 0x03 - YM715B */
/* 0x04 - YM719 - OPL-SA4? */
/* 0x05 - OPL3-SA3 - Libretto 100 */
/* 0x07 - unknown - Neomagic MagicWave 3D */
break;
}
str[0] = chip->version + '0';