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sound fixes for 3.19-rc2

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Just a couple of fixes for the new Intel Skylake HD-audio support.
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Merge tag 'sound-3.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Just a couple of fixes for the new Intel Skylake HD-audio support"

* tag 'sound-3.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda_intel: apply the Seperate stream_tag for Skylake
  ALSA: hda_controller: Separate stream_tag for input and output streams.
This commit is contained in:
Linus Torvalds 2014-12-27 13:12:00 -08:00
parent 58628a7831 d6795827bd
commit 29169f8230
3 changed files with 27 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
sound/pci/hda/hda_controller.c
View file

@ -1922,10 +1922,18 @@ int azx_mixer_create(struct azx *chip)
EXPORT_SYMBOL_GPL(azx_mixer_create);
static bool is_input_stream(struct azx *chip, unsigned char index)
{
return (index >= chip->capture_index_offset &&
index < chip->capture_index_offset + chip->capture_streams);
}
/* initialize SD streams */
int azx_init_stream(struct azx *chip)
{
int i;
int in_stream_tag = 0;
int out_stream_tag = 0;
/* initialize each stream (aka device)
* assign the starting bdl address to each stream (device)
@ -1938,9 +1946,21 @@ int azx_init_stream(struct azx *chip)
azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
/* int mask: SDI0=0x01, SDI1=0x02, ... SDO3=0x80 */
azx_dev->sd_int_sta_mask = 1 << i;
/* stream tag: must be non-zero and unique */
azx_dev->index = i;
azx_dev->stream_tag = i + 1;
/* stream tag must be unique throughout
* the stream direction group,
* valid values 1...15
* use separate stream tag if the flag
* AZX_DCAPS_SEPARATE_STREAM_TAG is used
*/
if (chip->driver_caps & AZX_DCAPS_SEPARATE_STREAM_TAG)
azx_dev->stream_tag =
is_input_stream(chip, i) ?
++in_stream_tag :
++out_stream_tag;
else
azx_dev->stream_tag = i + 1;
}
return 0;

5
sound/pci/hda/hda_intel.c
View file

@ -299,6 +299,9 @@ enum {
AZX_DCAPS_PM_RUNTIME | AZX_DCAPS_I915_POWERWELL |\
AZX_DCAPS_SNOOP_TYPE(SCH))
#define AZX_DCAPS_INTEL_SKYLAKE \
(AZX_DCAPS_INTEL_PCH | AZX_DCAPS_SEPARATE_STREAM_TAG)
/* quirks for ATI SB / AMD Hudson */
#define AZX_DCAPS_PRESET_ATI_SB \
(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_POSFIX_LPIB |\
@ -2027,7 +2030,7 @@ static const struct pci_device_id azx_ids[] = {
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Sunrise Point-LP */
{ PCI_DEVICE(0x8086, 0x9d70),
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
.driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE },
/* Haswell */
{ PCI_DEVICE(0x8086, 0x0a0c),
.driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },

1
sound/pci/hda/hda_priv.h
View file

@ -171,6 +171,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
#define AZX_DCAPS_I915_POWERWELL (1 << 27) /* HSW i915 powerwell support */
#define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28) /* CORBRP clears itself after reset */
#define AZX_DCAPS_NO_MSI64 (1 << 29) /* Stick to 32-bit MSIs */
#define AZX_DCAPS_SEPARATE_STREAM_TAG (1 << 30) /* capture and playback use separate stream tag */
enum {
AZX_SNOOP_TYPE_NONE ,