linux-kernel - [PATCH 0/5] ASoC: cs35l56: Add support for new Dell laptops

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Message-ID: <20260121132243.1256019-1-rf@opensource.cirrus.com>
Date: Wed, 21 Jan 2026 13:22:38 +0000
From: Richard Fitzgerald <rf@...nsource.cirrus.com>
To: broonie@...nel.org
Cc: linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org,
        patches@...nsource.cirrus.com
Subject: [PATCH 0/5] ASoC: cs35l56: Add support for new Dell laptops

On new Dell models the driver must read a UEFI variable to get a
variant identifier for the audio hardware. Without this, the driver
cannot know which firmware file to load to the amps.

Patch #1 and #2 are the new support.
The other patches are for KUnit testing.

Richard Fitzgerald (5):
  ASoC: cs-amp-lib: Support Dell SSIDExV2 UEFI variable
  ASoC: cs35l56: Use vendor-specific qualifier in firmware file search
  ASoC: cs-amp-lib-test: Tests for reading SSIDExV2
  ASoC: cs-amp-lib: Add a Kconfig symbol for enabling test hooks
  ASoC: cs35l56: Add KUnit testing of cs35l56_set_fw_suffix()

 include/sound/cs-amp-lib.h         |   3 +
 sound/soc/codecs/Kconfig           |  18 ++
 sound/soc/codecs/Makefile          |   2 +
 sound/soc/codecs/cs-amp-lib-test.c | 169 +++++++++++++
 sound/soc/codecs/cs-amp-lib.c      | 131 ++++++++++-
 sound/soc/codecs/cs35l56-test.c    | 365 +++++++++++++++++++++++++++++
 sound/soc/codecs/cs35l56.c         |  74 ++++--
 sound/soc/codecs/cs35l56.h         |   4 +
 8 files changed, 741 insertions(+), 25 deletions(-)
 create mode 100644 sound/soc/codecs/cs35l56-test.c

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2.47.3