From: Takashi Iwai Date: Fri, 10 Nov 2006 11:08:37 +0000 (+0100) Subject: [PATCH] ALSA: hda-intel - Disable MSI support by default X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=134a11f0c37c043d3ea557ea15b95b084e3cc2c8;p=openwrt%2Fstaging%2Fblogic.git [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: Takashi Iwai Signed-off-by: Linus Torvalds --- diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 138673a907f5..3472d9c4ef1b 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -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. diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 0e292dc4fd87..e35cfd326df2 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -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;