Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 134a11f0 authored by Takashi Iwai's avatar Takashi Iwai Committed by Linus Torvalds
Browse files

[PATCH] ALSA: hda-intel - Disable MSI support by default 



Disable MSI support on HD-audio driver as default since there are too
many broken devices.

The module option is changed from disable_msi to enable_msi, too.  For
turning MSI support on, pass enable_msi=1, instead.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c387fd85

Documentation/sound/alsa/ALSA-Configuration.txt

+1 −1
Original line number Diff line number Diff line
@@ -753,7 +753,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. 
    position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)

    single_cmd  - Use single immediate commands to communicate with

		codecs (for debugging only)

    disable_msi - Disable Message Signaled Interrupt (MSI)

    enable_msi	- Enable Message Signaled Interrupt (MSI) (default = off)



    This module supports one card and autoprobe.

sound/pci/hda/hda_intel.c

+4 −4
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ static char *model; 
static int position_fix;

static int probe_mask = -1;

static int single_cmd;

static int disable_msi;

static int enable_msi;



module_param(index, int, 0444);

MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
@@ -69,8 +69,8 @@ module_param(probe_mask, int, 0444); 
MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");

module_param(single_cmd, bool, 0444);

MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs (for debugging only).");

module_param(disable_msi, int, 0);

MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");

module_param(enable_msi, int, 0);

MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");





/* just for backward compatibility */
@@ -1531,7 +1531,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, 
	chip->pci = pci;

	chip->irq = -1;

	chip->driver_type = driver_type;

	chip->msi = !disable_msi;

	chip->msi = enable_msi;



	chip->position_fix = position_fix;

	chip->single_cmd = single_cmd;