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Commit cbbff680 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "soc: swr-mstr: Fix headset detection during sva clk switch"

parents dc40c113 f0c7f888

soc/swr-mstr-ctrl.c

+24 −8
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ static bool swrm_lock_sleep(struct swr_mstr_ctrl *swrm); 
static void swrm_unlock_sleep(struct swr_mstr_ctrl *swrm);

static u32 swr_master_read(struct swr_mstr_ctrl *swrm, unsigned int reg_addr);

static void swr_master_write(struct swr_mstr_ctrl *swrm, u16 reg_addr, u32 val);



static int swrm_runtime_resume(struct device *dev);



static u8 swrm_get_clk_div(int mclk_freq, int bus_clk_freq)

{
@@ -901,6 +901,8 @@ static int swrm_read(struct swr_master *master, u8 dev_num, u16 reg_addr, 
	mutex_unlock(&swrm->devlock);



	pm_runtime_get_sync(swrm->dev);

	if (swrm->req_clk_switch)

		swrm_runtime_resume(swrm->dev);

	ret = swrm_cmd_fifo_rd_cmd(swrm, &val, dev_num, 0, reg_addr, len);



	if (!ret)
@@ -934,6 +936,8 @@ static int swrm_write(struct swr_master *master, u8 dev_num, u16 reg_addr, 
	mutex_unlock(&swrm->devlock);



	pm_runtime_get_sync(swrm->dev);

	if (swrm->req_clk_switch)

		swrm_runtime_resume(swrm->dev);

	ret = swrm_cmd_fifo_wr_cmd(swrm, reg_val, dev_num, 0, reg_addr);



	pm_runtime_put_autosuspend(swrm->dev);
@@ -1925,16 +1929,22 @@ static irqreturn_t swr_mstr_interrupt(int irq, void *dev) 
				swrm->intr_mask);

			break;

		case SWRM_INTERRUPT_STATUS_RD_FIFO_OVERFLOW:

			dev_dbg(swrm->dev, "%s: SWR read FIFO overflow\n",

				__func__);

			value = swr_master_read(swrm, SWRM_CMD_FIFO_STATUS);

			dev_err(swrm->dev,

				"%s: SWR read FIFO overflow fifo status\n",

				__func__, value);

			break;

		case SWRM_INTERRUPT_STATUS_RD_FIFO_UNDERFLOW:

			dev_dbg(swrm->dev, "%s: SWR read FIFO underflow\n",

				__func__);

			value = swr_master_read(swrm, SWRM_CMD_FIFO_STATUS);

			dev_err(swrm->dev,

				"%s: SWR read FIFO underflow fifo status\n",

				__func__, value);

			break;

		case SWRM_INTERRUPT_STATUS_WR_CMD_FIFO_OVERFLOW:

			dev_dbg(swrm->dev, "%s: SWR write FIFO overflow\n",

				__func__);

			value = swr_master_read(swrm, SWRM_CMD_FIFO_STATUS);

			dev_err(swrm->dev,

				"%s: SWR write FIFO overflow fifo status\n",

				__func__, value);

			swr_master_write(swrm, SWRM_CMD_FIFO_CMD, 0x1);

			break;

		case SWRM_INTERRUPT_STATUS_CMD_ERROR:
@@ -2928,6 +2938,8 @@ static int swrm_runtime_resume(struct device *dev) 
	else

		pm_runtime_set_autosuspend_delay(&pdev->dev,

				auto_suspend_timer);

	if (swrm->req_clk_switch)

		swrm->req_clk_switch = false;

	mutex_unlock(&swrm->reslock);



	trace_printk("%s: pm_runtime: resume done, state:%d\n",
@@ -3217,8 +3229,12 @@ int swrm_wcd_notify(struct platform_device *pdev, u32 id, void *data) 
		}

		mutex_lock(&swrm->mlock);

		if (swrm->clk_src != *(int *)data) {

			if (swrm->state == SWR_MSTR_UP)

			if (swrm->state == SWR_MSTR_UP) {

				swrm->req_clk_switch = true;

				swrm_device_suspend(&pdev->dev);

				if (swrm->state == SWR_MSTR_UP)

					swrm->req_clk_switch = false;

			}

			swrm->clk_src = *(int *)data;

		}

		mutex_unlock(&swrm->mlock);

soc/swr-mstr-ctrl.h

+1 −0
Original line number Diff line number Diff line
@@ -179,6 +179,7 @@ struct swr_mstr_ctrl { 
	bool dev_up;

	bool ipc_wakeup_triggered;

	bool aud_core_err;

	bool req_clk_switch;

	struct pm_qos_request pm_qos_req;

	enum swrm_pm_state pm_state;

	wait_queue_head_t pm_wq;