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  1. Mar 18, 2021
  2. Mar 17, 2021
    • Mark Brown's avatar
      Merge series "Do not handle MCLK device clock in simple-card-utils" from... · f9dc51cc
      Mark Brown authored
      Merge series "Do not handle MCLK device clock in simple-card-utils" from Sameer Pujar <spujar@nvidia.com>:
      
      With commit 1e30f642 ("ASoC: simple-card-utils: Fix device module clock")
      simple-card-utils can control MCLK clock for rate updates or enable/disable.
      But this is breaking some platforms where it is expected that codec drivers
      would actually handle the MCLK clock. One such example is following platform.
        - "arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts"
      
      In above case codec, wm8904, is using internal PLL and configures sysclk
      based on fixed MCLK input. In such cases it is expected that, required PLL
      output or sysclk, is just passed via set_sysclk() callback and card driver
      need not actually update MCLK rate. Instead, codec can take ownership of
      this clock and do the necessary configuration.
      
      So the original commit is reverted and codec driver for rt5659 is updated
      to fix my board which has this codec.
      
      Sameer Pujar (2):
        ASoC: simple-card-utils: Do not handle device clock
        ASoC: rt5659: Update MCLK rate in set_sysclk()
      
       sound/soc/codecs/rt5659.c             |  5 +++++
       sound/soc/generic/simple-card-utils.c | 13 +++++++------
       2 files changed, 12 insertions(+), 6 deletions(-)
      
      --
      2.7.4
      f9dc51cc
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