[alsa-devel] [PATCH 0/3] ALSA: hda - restore BCLK from CDCLK for Haswell/Broadwell display audio

mengdong.lin at intel.com mengdong.lin at intel.com
Wed Jul 2 16:43:38 CEST 2014


From: Mengdong Lin <mengdong.lin at intel.com>

The 3 patches are for Haswell/Broadwell display HD-A controller.

The 1st patch is for i915 display driver, providing a private interface for
the audio driver to query CDCLK.

The other 2 patches are for HD-A driver, will restore BCLK by setting M/N 
values as per CDCLK.

Mengdong Lin (3):
  drm/i915: provide interface for audio driver to query cdclk
  ALSA: hda - define hda_get_display_clk to query CDCLK for
    Haswell/Broadwell
  ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display
    HDA controller

 drivers/gpu/drm/i915/intel_pm.c | 21 +++++++++++++++
 include/drm/i915_powerwell.h    |  1 +
 sound/pci/hda/hda_i915.c        | 22 +++++++++++++++
 sound/pci/hda/hda_i915.h        |  1 +
 sound/pci/hda/hda_intel.c       | 60 +++++++++++++++++++++++++----------------
 5 files changed, 82 insertions(+), 23 deletions(-)

-- 
1.8.1.2



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