linux-kernel - [PATCH 00/12] ASoC: cs42l42: Series of bugfixes and improvements

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Message-ID: <20210810153759.24333-1-rf@opensource.cirrus.com>
Date:   Tue, 10 Aug 2021 16:37:47 +0100
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     <broonie@...nel.org>
CC:     <alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
        <linux-kernel@...r.kernel.org>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: [PATCH 00/12] ASoC: cs42l42: Series of bugfixes and improvements

Various bugfixes and improvements to the cs42l42 codec driver.

Clocking bugfixes:
  - Remove any use of MCLK > 12.288 MHz because it isn't possible to switch
    between the low and high frequency ranges on-the-fly

  - Prevent the PLL configuration being written while the PLL is running
  - Correctly set the MCLK for the sample rate converters

ASP bugfixes:
  - Ensure the TX (capture) ASP is properly configured when recording
    mono audio.

Other bugfixes:
  - Prevent NULL pointer deref if there is an interrupt before soc
    component probe

Code cleanup:
  - Remove the unused runtime suspend/resume functions.
  - Remove some code made redundant by an earlier patch

Improvement:
  - Add ALSA control for HP path attenuation. Previously this was
    always set to -6dB with no way for the user to configure it.

  - Add ALSA control to disable the soft volume ramp at the start of
    audio.

Richard Fitzgerald (12):
  ASoC: cs42l42: Use PLL for SCLK > 12.188MHz
  ASoC: cs42l42: Don't claim to support 192k
  ASoC: cs42l42: Always configure both ASP TX channels
  ASoC: cs42l42: Don't reconfigure the PLL while it is running
  ASoC: cs42l42: Set correct SRC MCLK
  ASoC: cs42l42: Mark OSC_SWITCH_STATUS register volatile
  ASoC: cs42l42: Allow time for HP/ADC to power-up after enable
  ASoC: cs42l42: Prevent NULL pointer deref in interrupt handler
  ASoC: cs42l42: Remove runtime_suspend/runtime_resume callbacks
  ASoC: cs42l42: Remove redundant pll_divout member
  ASoC: cs42l42: Add HP Volume Scale control
  ASoC: cs42l42: Add control for audio slow-start switch

 sound/soc/codecs/cs42l42.c | 281 ++++++++++++++++++++++++---------------------
 sound/soc/codecs/cs42l42.h |   9 +-
 2 files changed, 156 insertions(+), 134 deletions(-)

-- 
2.11.0