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Merge commit '5c00aa86ffaaae4f97d8e9fa50a7fbd0195b9b85' into sheesh

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* commit '5c00aa86ffaaae4f97d8e9fa50a7fbd0195b9b85':
  ASoC: wcd937x_slave: Add retry while getting logical addr for wcd937x slave
This commit is contained in:
azrim 2022-05-03 12:50:29 +07:00
commit b21ab57e39
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GPG Key ID: 497F8FB059B45D1C
1 changed files with 11 additions and 1 deletions
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12
techpack/audio/asoc/codecs/wcd937x/wcd937x_slave.c
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@ -9,6 +9,8 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/module.h>
@ -18,6 +20,8 @@
#include <linux/kernel.h>
#include <linux/component.h>
#include <soc/soundwire.h>
#include <linux/delay.h>
#define SWR_MAX_RETRY 5
struct wcd937x_slave_priv {
struct swr_device *swr_slave;
@ -30,6 +34,7 @@ static int wcd937x_slave_bind(struct device *dev,
struct wcd937x_slave_priv *wcd937x_slave = NULL;
uint8_t devnum = 0;
struct swr_device *pdev = to_swr_device(dev);
int retry = SWR_MAX_RETRY;
if (pdev == NULL) {
dev_err(dev, "%s: pdev is NULL\n", __func__);
@ -45,7 +50,12 @@ static int wcd937x_slave_bind(struct device *dev,
wcd937x_slave->swr_slave = pdev;
ret = swr_get_logical_dev_num(pdev, pdev->addr, &devnum);
do {
/* Add delay for soundwire enumeration */
usleep_range(100, 110);
ret = swr_get_logical_dev_num(pdev, pdev->addr, &devnum);
} while (ret && --retry);
if (ret) {
dev_dbg(&pdev->dev,
"%s get devnum %d for dev addr %lx failed\n",