From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-yw0-f198.google.com ([209.85.211.198]:58216 "EHLO mail-yw0-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753102Ab0BCIkk (ORCPT ); Wed, 3 Feb 2010 03:40:40 -0500 Received: by ywh36 with SMTP id 36so1044898ywh.15 for ; Wed, 03 Feb 2010 00:40:39 -0800 (PST) Message-ID: <4B693681.2030402@gmail.com> Date: Wed, 03 Feb 2010 16:40:33 +0800 From: Huang Shijie MIME-Version: 1.0 To: Mauro Carvalho Chehab CC: linux-media@vger.kernel.org, zyziii@telegent.com, tiwai@suse.de Subject: Re: [PATCH v2 00/10] add linux driver for chip TLG2300 References: <1265094475-13059-1-git-send-email-shijie8@gmail.com> <4B6817E6.4070709@redhat.com> <4B69159D.2040606@gmail.com> <4B6925EB.7000601@redhat.com> In-Reply-To: <4B6925EB.7000601@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: >>> Instead of a country code, the driver should use the V4L2_STD_ macros to >>> >>> >> If we are in the radio mode, I do not have any video standard, how can I >> choose >> the right audio setting in this situation? >> > In the case of radio, the frequency ranges are controlled via the tuner > Do you mean that the frequency range can be used to set the pre-emphasis? I am not sure about this. > ioctls. There's no standard way to control the preemphasis, but I recommend > adding a ctrl to select between 50us/75us and no preemphasis. > > > Best Regards Huang Shijie