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Commit cd61c6ef authored by Ramprasad Katkam's avatar Ramprasad Katkam
Browse files

soc: swr-mstr: Avoid handling redundant swr wakeup events 



It is sometimes observed that afe could send multiple wakeup
events at a time. Avoid this by handling wakeup event only once
per swr suspend.

Change-Id: Ieb9ed1b18c8c93cb7db4b75e3411cc25838be492
Signed-off-by: default avatarRamprasad Katkam <katkam@codeaurora.org>
parent 662dec1e

soc/swr-mstr-ctrl.c

+6 −2
Original line number Diff line number Diff line
@@ -1499,8 +1499,10 @@ static int swrm_event_notify(struct notifier_block *self, 
		schedule_work(&(swrm->dc_presence_work));

		break;

	case SWR_WAKE_IRQ_EVENT:

		if (swrm->wakeup_req)

		if (swrm->wakeup_req && !swrm->wakeup_triggered) {

			swrm->wakeup_triggered = true;

			schedule_work(&swrm->wakeup_work);

		}

		break;

	default:

		dev_err(swrm->dev, "%s: invalid event type: %lu\n",
@@ -1928,9 +1930,11 @@ static int swrm_runtime_suspend(struct device *dev) 
			swrm_cmd_fifo_wr_cmd(swrm, 0x2, 0xF, 0xF,

					SWRS_SCP_CONTROL);

			usleep_range(100, 105);

			if (swrm->wakeup_req)

			if (swrm->wakeup_req) {

				msm_aud_evt_blocking_notifier_call_chain(

					SWR_WAKE_IRQ_REGISTER, (void *)swrm);

				swrm->wakeup_triggered = false;

			}

		}

		swrm_clk_request(swrm, false);

	}

soc/swr-mstr-ctrl.h

+1 −1
Original line number Diff line number Diff line
@@ -150,8 +150,8 @@ struct swr_mstr_ctrl { 
	u32 clk_stop_mode0_supp;

	struct work_struct wakeup_work;

	u32 wakeup_req;



	bool dev_up;

	bool wakeup_triggered;

};



#endif /* _SWR_WCD_CTRL_H */