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[216.228.112.22]) by smtp.gmail.com with ESMTPSA id a9sm728073pgw.72.2019.05.07.16.12.38 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 07 May 2019 16:12:39 -0700 (PDT) Date: Tue, 7 May 2019 16:11:09 -0700 From: Nicolin Chen To: Daniel Baluta Cc: "broonie@kernel.org" , "S.j. Wang" , "timur@kernel.org" , "festevam@gmail.com" , "tiwai@suse.com" , dl-linux-imx , "alsa-devel@alsa-project.org" , "linux-kernel@vger.kernel.org" Subject: Re: [RESEND PATCH v3] ASoC: fsl_sai: Move clock operation to PM runtime Message-ID: <20190507231108.GA22188@Asurada-Nvidia.nvidia.com> References: <20190507140632.15996-1-daniel.baluta@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190507140632.15996-1-daniel.baluta@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 07, 2019 at 02:06:52PM +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 > Reviewed-by: Viorel Suman Acked-by: Nicolin Chen