From 1447d43aac683f616a9913a70606b441c2d365e9 Mon Sep 17 00:00:00 2001 From: Rander Wang Date: Tue, 25 Oct 2022 16:09:56 +0800 Subject: [PATCH] ipc4: fw_reg: add more description for fw_reg Signed-off-by: Rander Wang --- src/include/ipc4/fw_reg.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/include/ipc4/fw_reg.h b/src/include/ipc4/fw_reg.h index 1c47e8f00..732de5060 100644 --- a/src/include/ipc4/fw_reg.h +++ b/src/include/ipc4/fw_reg.h @@ -17,7 +17,10 @@ /** * \file include/ipc4/fw_reg.h - * \brief IPC4 fw registers in mailbox for host + * \brief IPC4 fw registers in mailbox for host. Fw exposes dsp / fw + * state information to the host via shared memory window 0, .e.g. fw error, + * pipeline state, dma llp counter and others. These information are included + * in ipc4_fw_registers structure defined in this file. * NOTE: This ABI uses bit fields and is non portable. */