[PATCH v5 0/1] sti: add audio interface to the hdmi driver

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This patchset implements audio interface in HDMI drm driver. Implementation is based on 
ASoC generic hdmi codec driver( https://patchwork.kernel.org/patch/8713141/). 

V5:
	Helper functions are suppressed, following dicussion on IRC with Daniel Vetter.
        request is that other drivers that can use helper are also updated
        helper function patch will be proposed  in a next, separed patchset.
        for this track, hdmi_audio_get_non_coherent_n is integrated in sti driver.
        
V4:
     fixes for "video: hdmi: add helper functions for N and CTS"
        - typo error and additional comments
        - cts_1_ratio computation
        - warning reported by kbuild test robot
        - add rounded value for 297/1.001 MHz

V3: 
     - video: hdmi: add helper function for N and CTS
     	  Also used on Mediatek platform (https://patchwork.kernel.org/patch/8887341)
	  delta vs V2:
          - typo fixes
          - if/else code optimisation
     - drm: sti: Add ASoC generic hdmi codec support.
	  - typo fixes
          - add audio registers in debugfs information
                
V2: RFC
https://patchwork.kernel.org/patch/8091531/("video: hdmi: add helper function for N and CTS")
https://patchwork.kernel.org/patch/8091561/("ASoC: hdmi-codec: Add hdmi-codec for external HDMI-encoders")
     - patch: video: hdmi: add helper function for N and CTS
         Fixes based on Russel King remarks
         - Duplicate function to have a separte treatment for coherent and
           non-coherent clocks
         - Add ratio field for alternate CTS value
         - Clock frequency in Hz for TMDS and audio clocks
         - Add information concerning clocks and CTS calculation. 

V1: 
This RFC is the implementation of audio HDMI on sti platform based on generic hdmi-codec driver:
	https://patchwork.kernel.org/patch/7215271/ ("ASoC: hdmi-codec: Add hdmi-codec for external HDMI-encoders")
	https://patchwork.kernel.org/patch/8062611/ ("video: hdmi: add helper function for N and CTS")

Arnaud Pouliquen (1):
  drm: sti: Add ASoC generic hdmi codec support.

 drivers/gpu/drm/sti/Kconfig    |   1 +
 drivers/gpu/drm/sti/sti_hdmi.c | 294 ++++++++++++++++++++++++++++++++++++++---
 drivers/gpu/drm/sti/sti_hdmi.h |  13 ++
 3 files changed, 291 insertions(+), 17 deletions(-)

-- 
1.9.1

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