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a=rsa-sha256; c=simple/simple; d=opensynergy.com; s=TM-DKIM-20210503141657; t=1646682473; bh=8okE+Q6K/W8wsvu5pO4GARMCWw8koKY+P9+H4M0XCMI=; l=1037; h=From:To:Date; b=Xr9xf5+6rjFcZ9mKXl6ltOIF7ur1l215X4n3eUBACyKmifXRur5CMqV9cdU+RZ2aM +t9XnWBnW4m0pGNtotsg74DGbcuSUSNHC3ciIhMA/V5LVc1v9wdP2tsg8FVHmS6NYX ab1iUaJMHRhpkRxZYTYASnuKKuNVtk6Hv4wuVJ6woPo+gmYrm2gNwtqRsuiKcJoqxA UiavIGn7dhM6scggyaFOLGxf5Q6u47IVLJyTd+oK3CVltlkIt8VrW9B75pkDEASh5w zL+JSdOyLUt9PzDvSjsQaeD4gY+VWHd4DmrNZS4RD8u8dLg0FfBYLineZIIOWk8PiO MYSGgRMJBBeqw== Cc: "Michael S. Tsirkin" , Jason Wang , linux-kernel@vger.kernel.org, Takashi Iwai , Anton Yakovlev 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" Implementation of support for audio controls in accordance with the proposed extension of the virtio sound device specification [1]. Design　of virtual audio controls is based on and derived from ALSA audio controls. It allows the driver to perform all standard operations, such as reading and writing audio control value, as well as working with metadata (represented in the TLV form). The driver part was tested on top of the Linux 5.10 kernel. As a device part was used OpenSynergy proprietary implementation. [1] https://lists.oasis-open.org/archives/virtio-comment/202104/msg00013.html Anton Yakovlev (1): ALSA: virtio: add support for audio controls include/uapi/linux/virtio_snd.h | 154 +++++++++++ sound/virtio/Makefile | 1 + sound/virtio/virtio_card.c | 21 ++ sound/virtio/virtio_card.h | 22 ++ sound/virtio/virtio_kctl.c | 464 ++++++++++++++++++++++++++++++++ 5 files changed, 662 insertions(+) create mode 100644 sound/virtio/virtio_kctl.c