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Commit 8e3d6a86 authored by Sudheer Papothi's avatar Sudheer Papothi Committed by Gerrit - the friendly Code Review server
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ASoC: wsa883x: Handle PA_ERR interrupt on WSA speaker 



PA_ERR can happen during speaker path setup. Log the
error status in the interrupt handler and clear the error
status for next audio playback to resume properly on
the speaker.

Change-Id: I5800d9505a3036127097745aaa880b73b3e87f30
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent adeb3311

asoc/codecs/wsa883x/wsa883x.c

+38 −6
Original line number Diff line number Diff line
@@ -481,8 +481,33 @@ static irqreturn_t wsa883x_uvlo_handle_irq(int irq, void *data) 


static irqreturn_t wsa883x_pa_on_err_handle_irq(int irq, void *data)

{

	pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",

			   __func__, irq);

	u8 pa_fsm_sta = 0, pa_fsm_err = 0;

	struct wsa883x_priv *wsa883x = data;

	struct snd_soc_component *component = NULL;



	if (!wsa883x)

		return IRQ_NONE;



	component = wsa883x->component;

	if (!component)

		return IRQ_NONE;



	pa_fsm_sta = (snd_soc_component_read32(component, WSA883X_PA_FSM_STA)

			& 0x70);



	if (pa_fsm_sta)

		pa_fsm_err = snd_soc_component_read32(component,

						WSA883X_PA_FSM_ERR_COND);

	pr_err_ratelimited("%s: irq: %d, pa_fsm_sta: %d, pa_fsm_err: %d\n",

		__func__, irq, pa_fsm_sta, pa_fsm_err);



	snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

					0x10, 0x00);

	snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

					0x10, 0x10);

	snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

					0x10, 0x00);



	return IRQ_HANDLED;

}
@@ -1017,6 +1042,7 @@ static int wsa883x_spkr_event(struct snd_soc_dapm_widget *w, 
						0x01, 0x01);

		/* Added delay as per HW sequence */

		usleep_range(250, 300);

		wcd_enable_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR);

		/* Force remove group */

		swr_remove_from_group(wsa883x->swr_slave,

				      wsa883x->swr_slave->dev_num);
@@ -1042,9 +1068,15 @@ static int wsa883x_spkr_event(struct snd_soc_dapm_widget *w, 
				0x0E, 0x00);

		snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

				0x01, 0x00);

		snd_soc_component_update_bits(wsa883x->component,

					WSA883X_PDM_WD_CTL,

		snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

				0x10, 0x00);

		snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

				0x10, 0x10);

		snd_soc_component_update_bits(component, WSA883X_PA_FSM_CTL,

				0x10, 0x00);

		snd_soc_component_update_bits(wsa883x->component, WSA883X_PDM_WD_CTL,

				0x01, 0x00);

		wcd_disable_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR);

		clear_bit(SPKR_STATUS, &wsa883x->status_mask);

		clear_bit(SPKR_ADIE_LB, &wsa883x->status_mask);

		break;
@@ -1594,7 +1626,7 @@ static int wsa883x_swr_probe(struct swr_device *pdev) 
			"WSA UVLO", wsa883x_uvlo_handle_irq, NULL);



	wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR,

			"WSA PA ERR", wsa883x_pa_on_err_handle_irq, NULL);

			"WSA PA ERR", wsa883x_pa_on_err_handle_irq, wsa883x);



	wcd_disable_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR);