linux-kernel - [PATCH v1 0/6] VAG power control improvement for sgtl5000 codec

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Date:   Tue, 21 May 2019 13:36:13 +0300
From:   Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Igor Opaniuk <igor.opaniuk@...adex.com>,
        Oleksandr Suvorov <oleksandr.suvorov@...adex.com>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Subject: [PATCH v1 0/6] VAG power control improvement for sgtl5000 codec

VAG power control is improved to fit the manual. This fixes as
minimum one bug: if customer muxes Headphone to Line-In right after boot
w/o playing any sound, the VAG power remains off that leads to poor
sound quality from line-in.

I.e. after boot:
- Connect sound source to Line-In jack;
- Connect headphone to HP jack;
- Run following commands:
$ amixer set 'Headphone' 80%
$ amixer set 'Headphone Mux' LINE_IN

Also this series includes fixes of non-important bugs in sgtl5000 codec
driver.

Oleksandr Suvorov (6):
  ASoC: sgtl5000: Fix definition of VAG Ramp Control
  ASoC: sgtl5000: add ADC mute control
  ASoC: sgtl5000: Fix of unmute outputs on probe
  ASoC: sgtl5000: Fix charge pump source assignment
  ASoC: Define a set of DAPM pre/post-up events
  ASoC: sgtl5000: Improve VAG power and mute control

 include/sound/soc-dapm.h    |   2 +
 sound/soc/codecs/sgtl5000.c | 250 ++++++++++++++++++++++++++++++------
 sound/soc/codecs/sgtl5000.h |   2 +-
 3 files changed, 212 insertions(+), 42 deletions(-)

-- 
2.20.1

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