From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH] ASoC: sgtl5000: Mark CHIP_ANA_POWER as volatile Date: Wed, 8 May 2013 11:40:11 +0100 Message-ID: <20130508104011.GZ7478@sirena.org.uk> References: <1367958018-4827-1-git-send-email-fabio.estevam@freescale.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0779256282451638889==" Return-path: Received: from cassiel.sirena.org.uk (cassiel.sirena.org.uk [80.68.93.111]) by alsa0.perex.cz (Postfix) with ESMTP id 8FF60261658 for ; Wed, 8 May 2013 12:40:29 +0200 (CEST) In-Reply-To: <1367958018-4827-1-git-send-email-fabio.estevam@freescale.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: Fabio Estevam Cc: matt@genesi-usa.com, alsa-devel@alsa-project.org, eric.nelson@boundarydevices.com List-Id: alsa-devel@alsa-project.org --===============0779256282451638889== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="JefYhWJ8RkX3aR0a" Content-Disposition: inline --JefYhWJ8RkX3aR0a Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 07, 2013 at 05:20:12PM -0300, Fabio Estevam wrote: > Register CHIP_ANA_POWER (address: 0x0030) contains all of the power down= =20 > controls for the analog blocks. > Mark it as a volatile register, so that sgtl5000 can be functional after a > reset. Is this register actually volatile - in what situations does the chip autonomously change its power state? > Without this patch the following error happens after a audio playback fol= lowed > by a reset: What is the mechanism by which this change fixes the error you quote? --JefYhWJ8RkX3aR0a Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBAgAGBQJRiiuIAAoJELSic+t+oim9ce4P/Ay0F6DvIXTkXFePNFqFfOfv Ua9SBG+sjPc8IM/YxG438F/6iUbkg+ECOHMIEm78kzGAgQKI7NhL/SePOJBKdGz0 xeleecXhWgw2ZYT00ly9K2wcou38O+1gpipSovEVgwCgduI2YsrsGAM4FkYlaDCY 0xBgMvq0KABdOxp/07yc/FzAUKCnQ/A1dO2A2hlxL0VMF0AK5bUsk/Xgam2jZXMU BkwPYdv+u1DRbJf5KhtZAnnoNeAxtI8IRqs7Eu8jIiccfQmAmtJfr1ZcAgmQtOEx EnS6LGtfaWMv0GwUVXmOMTqpwnLWamrNRZdKoqhBGEmaSa2xa2xxLyZn3zH8l8f3 O+mR9SllmFB53lVuDreW+OdYt8FGzqGEGMe4vrcLQeJQ1ZH2upcPpipU/Hua0WQP 4Fh2cuzf029nKbIwzUQLaOTClAZ94g/lIzwlFuLUHME5GsRNlKzNDWFpRJR6cTLU 6u4RWWtEJJll36stsRnQAJb9niw2F/qFzjrUjzgmSmP7zCPRGvlwyAAnBkwuyi1W EpwLkxELP24/NzlqD81yK3L2AIhl+D+SbBRosU61ng9awYW6N8yu3A44nj/XS7w6 sZ2KMmH/kd2jptBUOHN+C9C4H6PZrpi6rUNZq3V3mHzPdNv1nsfIBk/M29CbRUnW foesBGkxb+MIq46h3skk =vAnI -----END PGP SIGNATURE----- --JefYhWJ8RkX3aR0a-- --===============0779256282451638889== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --===============0779256282451638889==--