Commit cab5c4c9 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] cmipci - Disable integrated mpu401 as default 



Enable the support of mpu401 PCI port only when mpu_port=1 module
option is given, i.e. disabled as default.
It turned out that the check of integrated midi port isn't perfect
and caused hang-ups on some boards.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent a7306336

Documentation/sound/alsa/ALSA-Configuration.txt

+3 −1
Original line number Diff line number Diff line
@@ -366,7 +366,9 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. 


    Module for C-Media CMI8338 and 8738 PCI sound cards.



    mpu_port	- 0x300,0x310,0x320,0x330, 0 = disable (default)

    mpu_port	- 0x300,0x310,0x320,0x330 = legacy port,

		  1 = integrated PCI port,

		  0 = disable (default)

    fm_port     - 0x388 (default), 0 = disable (default)

    soft_ac3    - Software-conversion of raw SPDIF packets (model 033 only)

                  (default = 1)

sound/pci/cmipci.c

+1 −1
Original line number Diff line number Diff line
@@ -2932,7 +2932,7 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc 
	}



	integrated_midi = snd_cmipci_read_b(cm, CM_REG_MPU_PCI) != 0xff;

	if (integrated_midi)

	if (integrated_midi && mpu_port[dev] == 1)

		iomidi = cm->iobase + CM_REG_MPU_PCI;

	else {

		iomidi = mpu_port[dev];

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