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Commit 609a13e5 authored by Liam Girdwood's avatar Liam Girdwood Committed by Mark Brown
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ASoC: Intel: Allow Rx/Tx message list can be cleared prior to suspend 



Suspend/resume requires reloading FW to boot state so we need to also make
sure that the driver matches the FW state at boot.

Signed-off-by: default avatarLiam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 800be590

sound/soc/intel/sst-baytrail-ipc.c

+18 −0
Original line number Diff line number Diff line
@@ -299,6 +299,24 @@ static inline void sst_byt_tx_msg_reply_complete(struct sst_byt *byt, 
		wake_up(&msg->waitq);

}



static void sst_byt_drop_all(struct sst_byt *byt)

{

	struct ipc_message *msg, *tmp;

	unsigned long flags;



	/* drop all TX and Rx messages before we stall + reset DSP */

	spin_lock_irqsave(&byt->dsp->spinlock, flags);

	list_for_each_entry_safe(msg, tmp, &byt->tx_list, list) {

		list_move(&msg->list, &byt->empty_list);

	}



	list_for_each_entry_safe(msg, tmp, &byt->rx_list, list) {

		list_move(&msg->list, &byt->empty_list);

	}



	spin_unlock_irqrestore(&byt->dsp->spinlock, flags);

}



static int sst_byt_tx_wait_done(struct sst_byt *byt, struct ipc_message *msg,

				void *rx_data)

{