Re: [PATCH 4/7] ASoC: imx-audio-rpmsg: Add rpmsg_driver for audio channel

From: Mark Brown
Date: Fri Feb 05 2021 - 14:31:37 EST


On Fri, Feb 05, 2021 at 02:57:27PM +0800, Shengjiu Wang wrote:

> + /* TYPE C is notification from M core */
> + if (r_msg->header.type == MSG_TYPE_C) {
> + if (r_msg->header.cmd == TX_PERIOD_DONE) {

> + } else if (r_msg->header.cmd == RX_PERIOD_DONE) {

A switch statement would be clearer and more extensible...

> + /* TYPE B is response msg */
> + if (r_msg->header.type == MSG_TYPE_B) {
> + memcpy(&info->r_msg, r_msg, sizeof(struct rpmsg_r_msg));
> + complete(&info->cmd_complete);
> + }

...and make this flow clearer for example. Do we need to warn on
unknown messages?

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