From patchwork Fri Sep 24 11:55:32 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matti Aaltonen X-Patchwork-Id: 204212 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8OBuCKt024741 for ; Fri, 24 Sep 2010 11:56:12 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755498Ab0IXL4K (ORCPT ); Fri, 24 Sep 2010 07:56:10 -0400 Received: from mgw-sa02.nokia.com ([147.243.1.48]:56196 "EHLO mgw-sa02.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752767Ab0IXL4J (ORCPT ); Fri, 24 Sep 2010 07:56:09 -0400 Received: from nokia.com (localhost [127.0.0.1]) by mgw-sa02.nokia.com (Switch-3.4.3/Switch-3.4.3) with ESMTP id o8OBttBm010041; Fri, 24 Sep 2010 14:55:55 +0300 Received: from localhost.localdomain ([masi.nmp.nokia.com [172.22.211.19]]) by mgw-sa02.nokia.com with RELAY id o8OBtW9j009814 ; Fri, 24 Sep 2010 14:55:36 +0300 From: "Matti J. Aaltonen" To: linux-media@vger.kernel.org, hverkuil@xs4all.nl, eduardo.valentin@nokia.com, mchehab@redhat.com Cc: "Matti J. Aaltonen" Subject: [PATCH v10 4/4] Documentation: v4l: Add hw_seek spacing and two TUNER_RDS_CAP flags. Date: Fri, 24 Sep 2010 14:55:32 +0300 Message-Id: <1285329332-4380-5-git-send-email-matti.j.aaltonen@nokia.com> X-Mailer: git-send-email 1.6.1.3 In-Reply-To: <1285329332-4380-4-git-send-email-matti.j.aaltonen@nokia.com> References: <1285329332-4380-1-git-send-email-matti.j.aaltonen@nokia.com> <1285329332-4380-2-git-send-email-matti.j.aaltonen@nokia.com> <1285329332-4380-3-git-send-email-matti.j.aaltonen@nokia.com> <1285329332-4380-4-git-send-email-matti.j.aaltonen@nokia.com> X-Nokia-AV: Clean Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 24 Sep 2010 11:56:13 +0000 (UTC) diff --git a/Documentation/DocBook/v4l/dev-rds.xml b/Documentation/DocBook/v4l/dev-rds.xml index 0869d70..e7be392 100644 --- a/Documentation/DocBook/v4l/dev-rds.xml +++ b/Documentation/DocBook/v4l/dev-rds.xml @@ -28,6 +28,10 @@ returned by the &VIDIOC-QUERYCAP; ioctl. Any tuner that supports RDS will set the V4L2_TUNER_CAP_RDS flag in the capability field of &v4l2-tuner;. +If the driver only passes RDS blocks without interpreting the data +the V4L2_TUNER_SUB_RDS_BLOCK_IO flag has to be set. If the +tuner is capable of handling RDS entities like program identication codes and radio +text the flag V4L2_TUNER_SUB_RDS_CONTROLS should be set. Whether an RDS signal is present can be detected by looking at the rxsubchans field of &v4l2-tuner;: the V4L2_TUNER_SUB_RDS will be set if RDS data was detected. @@ -40,7 +44,11 @@ Any modulator that supports RDS will set the V4L2_TUNER_CAP_RDS flag in the capability field of &v4l2-modulator;. In order to enable the RDS transmission one must set the V4L2_TUNER_SUB_RDS -bit in the txsubchans field of &v4l2-modulator;. +bit in the txsubchans field of &v4l2-modulator;. +If the driver only passes RDS blocks without interpreting the data +the V4L2_TUNER_SUB_RDS_BLOCK_IO flag has to be set. If the +tuner is capable of handling RDS entities like program identication codes and radio +text the flag V4L2_TUNER_SUB_RDS_CONTROLS should be set. diff --git a/Documentation/DocBook/v4l/vidioc-s-hw-freq-seek.xml b/Documentation/DocBook/v4l/vidioc-s-hw-freq-seek.xml index 14b3ec7..c30dcc4 100644 --- a/Documentation/DocBook/v4l/vidioc-s-hw-freq-seek.xml +++ b/Documentation/DocBook/v4l/vidioc-s-hw-freq-seek.xml @@ -51,7 +51,8 @@ Start a hardware frequency seek from the current frequency. To do this applications initialize the tuner, -type, seek_upward and +type, seek_upward, +spacing and wrap_around fields, and zero out the reserved array of a &v4l2-hw-freq-seek; and call the VIDIOC_S_HW_FREQ_SEEK ioctl with a pointer @@ -89,7 +90,12 @@ field and the &v4l2-tuner; index field. __u32 - reserved[8] + spacing + If non-zero, defines the hardware seek resolution in Hz. The driver selects the nearest value that is supported by the device. If spacing is zero a reasonable default value is used. + + + __u32 + reserved[7] Reserved for future extensions. Drivers and applications must set the array to zero.