diff options
Diffstat (limited to 'sound/pci/hda/hda_intel.c')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index fa4442e..d3bd3e7 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -121,8 +121,8 @@ module_param(power_save_controller, bool, 0644); MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode."); #endif -static bool align_buffer_size = 1; -module_param(align_buffer_size, bool, 0644); +static int align_buffer_size = -1; +module_param(align_buffer_size, bint, 0644); MODULE_PARM_DESC(align_buffer_size, "Force buffer and period sizes to be multiple of 128 bytes."); @@ -515,6 +515,7 @@ enum { #define AZX_DCAPS_SYNC_WRITE (1 << 19) /* sync each cmd write */ #define AZX_DCAPS_OLD_SSYNC (1 << 20) /* Old SSYNC reg for ICH */ #define AZX_DCAPS_BUFSIZE (1 << 21) /* no buffer size alignment */ +#define AZX_DCAPS_ALIGN_BUFSIZE (1 << 22) /* buffer size alignment */ /* quirks for ATI SB / AMD Hudson */ #define AZX_DCAPS_PRESET_ATI_SB \ @@ -527,7 +528,8 @@ enum { /* quirks for Nvidia */ #define AZX_DCAPS_PRESET_NVIDIA \ - (AZX_DCAPS_NVIDIA_SNOOP | AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI) + (AZX_DCAPS_NVIDIA_SNOOP | AZX_DCAPS_RIRB_DELAY | AZX_DCAPS_NO_MSI |\ + AZX_DCAPS_ALIGN_BUFSIZE) static char *driver_short_names[] __devinitdata = { [AZX_DRIVER_ICH] = "HDA Intel", @@ -2774,9 +2776,16 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, } /* disable buffer size rounding to 128-byte multiples if supported */ - chip->align_buffer_size = align_buffer_size; - if (chip->driver_caps & AZX_DCAPS_BUFSIZE) - chip->align_buffer_size = 0; + if (align_buffer_size >= 0) + chip->align_buffer_size = !!align_buffer_size; + else { + if (chip->driver_caps & AZX_DCAPS_BUFSIZE) + chip->align_buffer_size = 0; + else if (chip->driver_caps & AZX_DCAPS_ALIGN_BUFSIZE) + chip->align_buffer_size = 1; + else + chip->align_buffer_size = 1; + } /* allow 64bit DMA address if supported by H/W */ if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64))) |