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Message-Id: <20250306053445.40054-3-tarang.raval@siliconsignals.io> Date: Thu, 6 Mar 2025 11:04:44 +0530 From: Tarang Raval <tarang.raval@...iconsignals.io> To: sakari.ailus@...ux.intel.com Cc: Tarang Raval <tarang.raval@...iconsignals.io>, Dave Stevenson <dave.stevenson@...pberrypi.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v4 2/2] media: i2c: imx219: media: i2c: imx219: Enable runtime PM autosuspend Use pm_runtime_put_autosuspend() instead of pm_runtime_put() to allow autosuspend. Set a 1000ms autosuspend delay in imx219_probe() to improve power efficiency. Signed-off-by: Tarang Raval <tarang.raval@...iconsignals.io> --- drivers/media/i2c/imx219.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index 390a7b9780b4..b42a19958aa6 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -776,7 +776,8 @@ static int imx219_enable_streams(struct v4l2_subdev *sd, return 0; err_rpm_put: - pm_runtime_put(&client->dev); + pm_runtime_mark_last_busy(&client->dev); + pm_runtime_put_autosuspend(&client->dev); return ret; } @@ -797,7 +798,8 @@ static int imx219_disable_streams(struct v4l2_subdev *sd, __v4l2_ctrl_grab(imx219->vflip, false); __v4l2_ctrl_grab(imx219->hflip, false); - pm_runtime_put(&client->dev); + pm_runtime_mark_last_busy(&client->dev); + pm_runtime_put_autosuspend(&client->dev); return ret; } @@ -1269,6 +1271,8 @@ static int imx219_probe(struct i2c_client *client) } pm_runtime_idle(dev); + pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_use_autosuspend(dev); return 0; -- 2.34.1
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