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[86.26.103.58]) by smtp.gmail.com with ESMTPSA id 3sm49412801wrz.86.2022.02.21.05.10.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Feb 2022 05:10:42 -0800 (PST) From: Srinivas Kandagatla To: broonie@kernel.org Subject: [PATCH 02/10] ASoC: codecs: wsa-macro: add runtime pm support Date: Mon, 21 Feb 2022 13:10:29 +0000 Message-Id: <20220221131037.8809-3-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20220221131037.8809-1-srinivas.kandagatla@linaro.org> References: <20220221131037.8809-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, tiwai@suse.com, Srinivas Kandagatla , quic_srivasam@quicinc.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Signed-off-by: Srinivas Kandagatla --- sound/soc/codecs/lpass-wsa-macro.c | 39 ++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c index 21a4b8cc4a0a..a8d30f3b3fdf 100644 --- a/sound/soc/codecs/lpass-wsa-macro.c +++ b/sound/soc/codecs/lpass-wsa-macro.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include "lpass-wsa-macro.h" @@ -2429,6 +2430,12 @@ static int wsa_macro_probe(struct platform_device *pdev) if (ret) goto err; + pm_runtime_set_autosuspend_delay(dev, 3000); + pm_runtime_use_autosuspend(dev); + pm_runtime_mark_last_busy(dev); + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + return ret; err: clk_bulk_disable_unprepare(WSA_NUM_CLKS_MAX, wsa->clks); @@ -2446,6 +2453,37 @@ static int wsa_macro_remove(struct platform_device *pdev) return 0; } +static int __maybe_unused wsa_macro_runtime_suspend(struct device *dev) +{ + struct wsa_macro *wsa = dev_get_drvdata(dev); + + regcache_cache_only(wsa->regmap, true); + regcache_mark_dirty(wsa->regmap); + + clk_disable_unprepare(wsa->clks[2].clk); + clk_disable_unprepare(wsa->clks[3].clk); + clk_disable_unprepare(wsa->clks[4].clk); + + return 0; +} + +static int __maybe_unused wsa_macro_runtime_resume(struct device *dev) +{ + struct wsa_macro *wsa = dev_get_drvdata(dev); + + clk_prepare_enable(wsa->clks[2].clk); + clk_prepare_enable(wsa->clks[3].clk); + clk_prepare_enable(wsa->clks[4].clk); + regcache_cache_only(wsa->regmap, false); + regcache_sync(wsa->regmap); + + return 0; +} + +static const struct dev_pm_ops wsa_macro_pm_ops = { + SET_RUNTIME_PM_OPS(wsa_macro_runtime_suspend, wsa_macro_runtime_resume, NULL) +}; + static const struct of_device_id wsa_macro_dt_match[] = { {.compatible = "qcom,sc7280-lpass-wsa-macro"}, {.compatible = "qcom,sm8250-lpass-wsa-macro"}, @@ -2457,6 +2495,7 @@ static struct platform_driver wsa_macro_driver = { .driver = { .name = "wsa_macro", .of_match_table = wsa_macro_dt_match, + .pm = &wsa_macro_pm_ops, }, .probe = wsa_macro_probe, .remove = wsa_macro_remove,