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ALSA: wss_lib: do not mess mixer settings during probe 

Use the wss_dout function which does not mess
shadowed register values during chip probing.
Otherwise, user ends up with stupid mixer settings
after driver loading.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Acked-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Krzysztof Helt 2008-08-24 18:08:03 +02:00 committed by Jaroslav Kysela
parent 36463a9660
commit f83a59c3c1
1 changed files with 5 additions and 5 deletions
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10
sound/isa/wss/wss_lib.c
View File

@ -1162,9 +1162,9 @@ static int snd_ad1848_probe(struct snd_wss *chip)
spin_lock_irqsave(&chip->reg_lock, flags);
/* set CS423x MODE 1 */
snd_wss_out(chip, CS4231_MISC_INFO, 0);
snd_wss_dout(chip, CS4231_MISC_INFO, 0);
snd_wss_out(chip, CS4231_RIGHT_INPUT, 0x45); /* 0x55 & ~0x10 */
snd_wss_dout(chip, CS4231_RIGHT_INPUT, 0x45); /* 0x55 & ~0x10 */
r = snd_wss_in(chip, CS4231_RIGHT_INPUT);
if (r != 0x45) {
/* RMGE always high on AD1847 */
@ -1174,7 +1174,7 @@ static int snd_ad1848_probe(struct snd_wss *chip)
}
hardware = WSS_HW_AD1847;
} else {
snd_wss_out(chip, CS4231_LEFT_INPUT, 0xaa);
snd_wss_dout(chip, CS4231_LEFT_INPUT, 0xaa);
r = snd_wss_in(chip, CS4231_LEFT_INPUT);
/* L/RMGE always low on AT2320 */
if ((r | CS4231_ENABLE_MIC_GAIN) != 0xaa) {
@ -1199,7 +1199,7 @@ static int snd_ad1848_probe(struct snd_wss *chip)
r = snd_wss_in(chip, CS4231_MISC_INFO);
/* set CS423x MODE 2 */
snd_wss_out(chip, CS4231_MISC_INFO, CS4231_MODE2);
snd_wss_dout(chip, CS4231_MISC_INFO, CS4231_MODE2);
for (i = 0; i < 16; i++) {
if (snd_wss_in(chip, i) != snd_wss_in(chip, 16 + i)) {
/* we have more than 16 registers: check ID */
@ -1221,7 +1221,7 @@ static int snd_ad1848_probe(struct snd_wss *chip)
else
chip->hardware = WSS_HW_AD1848;
out_mode:
snd_wss_out(chip, CS4231_MISC_INFO, 0);
snd_wss_dout(chip, CS4231_MISC_INFO, 0);
out:
spin_unlock_irqrestore(&chip->reg_lock, flags);
return err;