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Commit 0039ff6c authored by Laxminath Kasam's avatar Laxminath Kasam Committed by Gerrit - the friendly Code Review server
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asoc: msm_sdw: Handle locking for mclk enable flag 



To synchronize codec read/write with PDR/SSR, take
lock before update of mclk enable flag.

Change-Id: I3e4faa27e2e6af71fd767a6be43bbb9d234c7192
Signed-off-by: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent d62420be

asoc/codecs/msm_sdw/msm_sdw_cdc.c

+6 −2
Original line number Diff line number Diff line
@@ -328,7 +328,8 @@ static int msm_sdw_ahb_write_device(struct msm_sdw_priv *msm_sdw, 
{

	u32 temp = (u32)(*value) & 0x000000FF;



	if (!msm_sdw->dev_up) {

	if (!msm_sdw->dev_up ||

	    !q6core_is_adsp_ready()) {

		dev_err_ratelimited(msm_sdw->dev, "%s: q6 not ready\n",

				    __func__);

		return 0;
@@ -343,7 +344,8 @@ static int msm_sdw_ahb_read_device(struct msm_sdw_priv *msm_sdw, 
{

	u32 temp;



	if (!msm_sdw->dev_up) {

	if (!msm_sdw->dev_up ||

	    !q6core_is_adsp_ready()) {

		dev_err_ratelimited(msm_sdw->dev, "%s: q6 not ready\n",

				    __func__);

		return 0;
@@ -1811,7 +1813,9 @@ static int msm_sdw_notifier_service_cb(struct notifier_block *nb, 
			initial_boot = false;

			break;

		}

		mutex_lock(&msm_sdw->cdc_int_mclk1_mutex);

		msm_sdw->int_mclk1_enabled = false;

		mutex_unlock(&msm_sdw->cdc_int_mclk1_mutex);

		msm_sdw->dev_up = false;

		for (i = 0; i < msm_sdw->nr; i++)

			swrm_wcd_notify(msm_sdw->sdw_ctrl_data[i].sdw_pdev,