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Wysocki" , Hans de Goede , Mark Gross , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v1 0/2] Use ACPI_COMPANION macro to obtain acpi_device in cs35l41_hda Date: Thu, 24 Nov 2022 11:07:16 +0000 Message-ID: <20221124110718.3925934-1-sbinding@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: icymHGFSQCP9vNta4tdh6ta5bAP9P2DX X-Proofpoint-GUID: icymHGFSQCP9vNta4tdh6ta5bAP9P2DX X-Proofpoint-Spam-Reason: safe Cc: patches@opensource.cirrus.com, alsa-devel@alsa-project.org, Stefan Binding , linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Currently, in cs35l41_hda driver, we use acpi_dev_get_first_match_dev to obtain the acpi_device used to obtain the properties and gpios. It is better to use the ACPI_COMPANION macro to do this, since it guarentees that we get the correct acpi_device for the device. However, the cs35l41_hda driver uses the serial-multi-instantiate driver to enumerate, and whilst the ACPI_CONPANION macro works with spi, it does not work with i2c. This is fixed by setting the fwnode for i2c. Stefan Binding (2): platform/x86: serial-multi-instantiate: Set fwnode for i2c ALSA: hda: cs35l41: Use ACPI_COMPANION to read acpi properties .../platform/x86/serial-multi-instantiate.c | 1 + sound/pci/hda/cs35l41_hda.c | 50 ++++++++----------- 2 files changed, 22 insertions(+), 29 deletions(-)