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ASoC: wsa883x: Handle PA_ERR interrupt on WSA speaker

Browse source 
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: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi 2020-09-24 11:15:42 +05:30 • committed by Gerrit - the friendly Code Review server
commit 3d94de3747
1 changed files with 36 additions and 3 deletions
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39
asoc/codecs/wsa883x/wsa883x.c
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@ -510,8 +510,33 @@ 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;
}
@ -1050,6 +1075,7 @@ 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);
wcd_enable_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO);
/* Force remove group */
swr_remove_from_group(wsa883x->swr_slave,
@ -1076,9 +1102,16 @@ 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(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(component, WSA883X_PDM_WD_CTL,
0x01, 0x00);
wcd_disable_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO);
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;
@ -1652,7 +1685,7 @@ static int wsa883x_swr_probe(struct swr_device *pdev)
wcd_disable_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO);
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);