From patchwork Mon Sep 26 16:15:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 104659 Delivered-To: patch@linaro.org Received: by 10.140.106.72 with SMTP id d66csp1303776qgf; Mon, 26 Sep 2016 10:53:22 -0700 (PDT) X-Received: by 10.194.106.234 with SMTP id gx10mr23151831wjb.202.1474912402638; Mon, 26 Sep 2016 10:53:22 -0700 (PDT) Return-Path: Received: from alsa0.perex.cz (alsa0.perex.cz. [77.48.224.243]) by mx.google.com with ESMTP id x123si9512801wme.86.2016.09.26.10.53.21; Mon, 26 Sep 2016 10:53:22 -0700 (PDT) Received-SPF: pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) client-ip=77.48.224.243; Authentication-Results: mx.google.com; spf=pass (google.com: domain of alsa-devel-bounces@alsa-project.org designates 77.48.224.243 as permitted sender) smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 40410266D77; Mon, 26 Sep 2016 19:53:20 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail1.perex.cz X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS autolearn=disabled version=3.4.0 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id DA803265598; Mon, 26 Sep 2016 19:50:58 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 37CA326673A; Mon, 26 Sep 2016 18:16:24 +0200 (CEST) Received: from mezzanine.sirena.org.uk (mezzanine.sirena.org.uk [106.187.55.193]) by alsa0.perex.cz (Postfix) with ESMTP id 2E0B82668C1 for ; Mon, 26 Sep 2016 18:15:53 +0200 (CEST) Received: from [67.238.99.186] (helo=finisterre) by mezzanine.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1boYZF-00031k-JM; Mon, 26 Sep 2016 16:15:47 +0000 Received: from broonie by finisterre with local (Exim 4.87) (envelope-from ) id 1boYZ9-0005OY-4p; Mon, 26 Sep 2016 09:15:39 -0700 From: Mark Brown To: Charles Keepax In-Reply-To: <1474881325-9466-2-git-send-email-ckeepax@opensource.wolfsonmicro.com> Message-Id: Date: Mon, 26 Sep 2016 09:15:39 -0700 X-SA-Exim-Connect-IP: 67.238.99.186 X-SA-Exim-Mail-From: broonie@sirena.org.uk X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) X-SA-Exim-Scanned: No (on mezzanine.sirena.org.uk); Unknown failure Cc: alsa-devel@alsa-project.org, broonie@kernel.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com Subject: [alsa-devel] Applied "ASoC: wm_adsp: Put DSP into low power state between loading and running" to the asoc tree X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org The patch ASoC: wm_adsp: Put DSP into low power state between loading and running has been applied to the asoc tree at git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark >From 90d19ba54b428a6bc8cc51ef6c60c6e65e6e2f35 Mon Sep 17 00:00:00 2001 From: Charles Keepax Date: Mon, 26 Sep 2016 10:15:23 +0100 Subject: [PATCH] ASoC: wm_adsp: Put DSP into low power state between loading and running Between when we load the DSP and when it actually starts running put the core into a lower power state where the memory is retained but nothing is clocked. Signed-off-by: Charles Keepax Signed-off-by: Mark Brown --- sound/soc/codecs/wm_adsp.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) -- 2.9.3 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org http://mailman.alsa-project.org/mailman/listinfo/alsa-devel diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 4188c3763bc3..446f0297733f 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -2259,6 +2259,11 @@ static void wm_adsp2_boot_work(struct work_struct *work) mutex_lock(&dsp->pwr_lock); + ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, + ADSP2_MEM_ENA, ADSP2_MEM_ENA); + if (ret != 0) + goto err_mutex; + ret = wm_adsp2_ena(dsp); if (ret != 0) goto err_mutex; @@ -2282,6 +2287,12 @@ static void wm_adsp2_boot_work(struct work_struct *work) dsp->booted = true; + /* Turn DSP back off until we are ready to run */ + ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, + ADSP2_SYS_ENA, 0); + if (ret != 0) + goto err_ena; + mutex_unlock(&dsp->pwr_lock); return; @@ -2344,6 +2355,10 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, if (!dsp->booted) return -EIO; + ret = wm_adsp2_ena(dsp); + if (ret != 0) + goto err; + /* Sync set controls */ ret = wm_coeff_sync_controls(dsp); if (ret != 0) @@ -2382,7 +2397,8 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, dsp->booted = false; regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, - ADSP2_CORE_ENA | ADSP2_START, 0); + ADSP2_MEM_ENA | ADSP2_CORE_ENA | ADSP2_START, + 0); /* Make sure DMAs are quiesced */ regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);