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ASoC: swr-haptics: Avoid soundwire resume during subsystem restart

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Soundwire register write from haptics resumes soundwire master during
subsystem down. Avoid soundwire slave register writes when the subsystem
is already down.

Change-Id: I78304b84bfaf882df1b76dbd04a8e063185d3963
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi
2020-05-27 13:17:17 +05:30
parent 127718f3d9
commit a151ba4e13
1 changed files with 0 additions and 10 deletions
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10
asoc/codecs/swr-haptics.c
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@@ -431,22 +431,12 @@ static int swr_haptics_device_down(struct swr_device *sdev)
{
struct swr_haptics_dev *swr_hap = swr_get_dev_data(sdev);
int rc;
unsigned int val;
if (!swr_hap) {
dev_err(&sdev->dev, "%s: no data for swr_hap\n", __func__);
return -ENODEV;
}
/* Stop SWR play in SSR */
val = 0;
rc = regmap_write(swr_hap->regmap, SWR_PLAY_REG, val);
if (rc) {
dev_err(swr_hap->dev, "%s: disable SWR_PLAY failed, rc=%d\n",
__func__, rc);
return rc;
}
/* Put SWR slave into reset */
rc = regulator_disable(swr_hap->vdd);
if (rc < 0) {