From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH] ASoC: bells: Up clock rate to 48kHz and 512fs Date: Fri, 2 Nov 2012 14:05:06 +0000 Message-ID: <20121102140506.GV4413@opensource.wolfsonmicro.com> References: <1351861316-19739-1-git-send-email-dp@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5464578571094170201==" Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id E10C7265086 for ; Fri, 2 Nov 2012 15:05:07 +0100 (CET) In-Reply-To: <1351861316-19739-1-git-send-email-dp@opensource.wolfsonmicro.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Dimitris Papastamos Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com List-Id: alsa-devel@alsa-project.org --===============5464578571094170201== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="6h64vBu9tReNbGLX" Content-Disposition: inline --6h64vBu9tReNbGLX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Nov 02, 2012 at 01:01:56PM +0000, Dimitris Papastamos wrote: > The current WM0010 firmware images expect a 48kHz * 512fs > clkin. That's not actually the case, it's more flexible than that also... > -#define SYS_AUDIO_RATE 44100 > -#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 256) > +#define SYS_AUDIO_RATE 48000 > +#define SYS_MCLK_RATE (SYS_AUDIO_RATE * 512) ...if you're doing this you need to update the clock rates supplied to the CODECs otherwise they won't be able to generate the required audio rate. --6h64vBu9tReNbGLX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJQk9LUAAoJELSic+t+oim9p64P/2OH3Gw4LtYoMtnNioln2rln kad5GHg+JNgJVr5QORQuKVTn0aQTqL4oa0jTxNlffJQl0xCRkdd4exCuXuAfxCpP 4Bblk8o3vFYQzaj5l4tvPgzXvxtAEHTnTFv+X4BwdlCQgmqRcs2K++9Cso3up3Ar FD6kVmOq5jCrCFrGywMGqwiJjXwiwc73/XzhnfE4SaaHqe6ScAv5eIxNb0WVv5X6 lZpC2BvfD39nKs9I2i2Z84KGvVQJo06K5RdarR0+f/5PdoYc73sYfVfBdsZbCvTu /thc4o2mq9AaVEbC1erHVf6D12pJauzbPuwHzFPKx9TKrceeyR7hbmlkvTYEJAsW zud5NWojwvg+NvHx+wMfCLENQsMSkNyFAJTL5bkpNLc1o/X5Az5mlfUqNm2KnFVD 7RDLyfe/FOcDWUuusBa0E4ucGAeccZFrSwjbaO249r+kM/DyTV4cTDkPFenyTMDS PfCE2sYng7U27UgF7uton80iSULFWmLyu9ptc0uiogmrhOaQ35yYJywXBcqVJ/OP jRMJr6kSbVzYs2ybNc8NYvTED+vsud/HM0GxMOS24gZipc5uA1aJnwKvS24POEns nrqZ0XL7THMCJFOIO4gf12q0Nbz8Mv5MLvidAMulhuhCXWy+64NJWe0/F/mGuc9f ohdyxY7Lhpufgbvmibax =p9HA -----END PGP SIGNATURE----- --6h64vBu9tReNbGLX-- --===============5464578571094170201== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --===============5464578571094170201==--