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[98.248.47.108]) by smtp.gmail.com with ESMTPSA id d11sm12672773pgq.6.2019.04.21.18.20.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 21 Apr 2019 18:20:22 -0700 (PDT) Date: Sun, 21 Apr 2019 18:20:17 -0700 From: Nicolin Chen To: Daniel Baluta Cc: "broonie@kernel.org" , "S.j. Wang" , "lgirdwood@gmail.com" , "timur@kernel.org" , "Xiubo.Lee@gmail.com" , "festevam@gmail.com" , "perex@perex.cz" , "tiwai@suse.com" , "alsa-devel@alsa-project.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx Subject: Re: [PATCH 3/3 v3] ASoC: fsl_sai: Move clock operation to PM runtime Message-ID: <20190422012017.GC8364@Asurada> References: <20190421193853.10188-1-daniel.baluta@nxp.com> <20190421193853.10188-4-daniel.baluta@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190421193853.10188-4-daniel.baluta@nxp.com> User-Agent: Mutt/1.5.22 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 21, 2019 at 07:39:10PM +0000, Daniel Baluta wrote: > From: Shengjiu Wang > > Turn off/on clocks when device enters suspend/resume. This > can help saving power. > > As a further optimization, we turn off/on mclk only when SAI > is in master mode because otherwise mclk is externally provided. > > Signed-off-by: Shengjiu Wang > Signed-off-by: Daniel Baluta Acked-by: Nicolin Chen Thanks