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[ALSA] cmipci: disable 'Modem' control on version 39 or newer chips 

On version 39 or newer chips, we better remove the 'Modem' control
because this register bit now mutes the front channels of the
multichannel stream.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Clemens Ladisch 2007-12-10 12:28:52 +01:00 committed by Jaroslav Kysela
parent befceea90b
commit 69a07304d5
1 changed files with 5 additions and 7 deletions
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12
sound/pci/cmipci.c
View File

@ -2651,10 +2651,8 @@ static struct snd_kcontrol_new snd_cmipci_extra_mixer_switches[] __devinitdata =
};
/* card control switches */
static struct snd_kcontrol_new snd_cmipci_control_switches[] __devinitdata = {
// DEFINE_CARD_SWITCH("Joystick", joystick), /* now module option */
DEFINE_CARD_SWITCH("Modem", modem),
};
static struct snd_kcontrol_new snd_cmipci_modem_switch __devinitdata =
DEFINE_CARD_SWITCH("Modem", modem);
static int __devinit snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_device)
@ -2735,9 +2733,9 @@ static int __devinit snd_cmipci_mixer_new(struct cmipci *cm, int pcm_spdif_devic
}
/* card switches */
sw = snd_cmipci_control_switches;
for (idx = 0; idx < ARRAY_SIZE(snd_cmipci_control_switches); idx++, sw++) {
err = snd_ctl_add(cm->card, snd_ctl_new1(sw, cm));
if (cm->chip_version < 39) {
err = snd_ctl_add(cm->card,
snd_ctl_new1(&snd_cmipci_modem_switch, cm));
if (err < 0)
return err;
}