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Tue, 02 Apr 2024 09:46:24 -0700 (PDT) Received: from localhost ([77.91.78.25]) by smtp.gmail.com with ESMTPSA id g1-20020ac24d81000000b00515c102c826sm1779374lfe.270.2024.04.02.09.46.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Apr 2024 09:46:24 -0700 (PDT) From: Mikhail Rudenko To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sakari Ailus , Laurent Pinchart , Jacopo Mondi , Tommaso Merciai , Christophe JAILLET , Dave Stevenson , Mauro Carvalho Chehab , Mikhail Rudenko Subject: [PATCH v4 09/20] media: i2c: ov4689: Use runtime PM autosuspend Date: Tue, 2 Apr 2024 19:45:40 +0300 Message-ID: <20240402164552.19171-10-mike.rudenko@gmail.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240402164552.19171-1-mike.rudenko@gmail.com> References: <20240402164552.19171-1-mike.rudenko@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -1.6 (-) X-LSpam-Report: No, score=-1.6 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_NONE=-0.0001,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=no autolearn_force=no Use runtime PM autosuspend to avoid powering off the sensor during fast stop-reconfigure-restart cycles. Signed-off-by: Mikhail Rudenko Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ov4689.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ov4689.c b/drivers/media/i2c/ov4689.c index 0e0e694510aa..2354397ab34c 100644 --- a/drivers/media/i2c/ov4689.c +++ b/drivers/media/i2c/ov4689.c @@ -426,7 +426,8 @@ static int ov4689_s_stream(struct v4l2_subdev *sd, int on) } else { cci_write(ov4689->regmap, OV4689_REG_CTRL_MODE, OV4689_MODE_SW_STANDBY, NULL); - pm_runtime_put(dev); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); } unlock_and_return: @@ -606,7 +607,8 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl) break; } - pm_runtime_put(dev); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); return ret; } @@ -876,8 +878,10 @@ static int ov4689_probe(struct i2c_client *client) } pm_runtime_set_active(dev); + pm_runtime_get_noresume(dev); pm_runtime_enable(dev); - pm_runtime_idle(dev); + pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_use_autosuspend(dev); ret = v4l2_async_register_subdev_sensor(sd); if (ret) { @@ -885,11 +889,14 @@ static int ov4689_probe(struct i2c_client *client) goto err_clean_subdev_pm; } + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + return 0; err_clean_subdev_pm: pm_runtime_disable(dev); - pm_runtime_set_suspended(dev); + pm_runtime_put_noidle(dev); v4l2_subdev_cleanup(sd); err_clean_entity: media_entity_cleanup(&sd->entity);