From patchwork Sun Feb 9 08:48:32 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antti Palosaari X-Patchwork-Id: 3612131 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A4B829F2F6 for ; Sun, 9 Feb 2014 08:51:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E89B22010B for ; Sun, 9 Feb 2014 08:51:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30C3C200DC for ; Sun, 9 Feb 2014 08:51:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752035AbaBIIvL (ORCPT ); Sun, 9 Feb 2014 03:51:11 -0500 Received: from mail.kapsi.fi ([217.30.184.167]:33365 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751732AbaBIIt6 (ORCPT ); Sun, 9 Feb 2014 03:49:58 -0500 Received: from [82.128.187.60] (helo=localhost.localdomain) by mail.kapsi.fi with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1WCQ5N-0007At-F6; Sun, 09 Feb 2014 10:49:57 +0200 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [REVIEW PATCH 27/86] rtl2832_sdr: calculate bandwidth if not set by user Date: Sun, 9 Feb 2014 10:48:32 +0200 Message-Id: <1391935771-18670-28-git-send-email-crope@iki.fi> X-Mailer: git-send-email 1.8.5.3 In-Reply-To: <1391935771-18670-1-git-send-email-crope@iki.fi> References: <1391935771-18670-1-git-send-email-crope@iki.fi> X-SA-Exim-Connect-IP: 82.128.187.60 X-SA-Exim-Mail-From: crope@iki.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Calculate bandwidth from sampling rate if it is not set by user. Signed-off-by: Antti Palosaari --- drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c index 1cc7bf7..2c9b703 100644 --- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c +++ b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c @@ -881,6 +881,10 @@ static int rtl2832_sdr_set_tuner(struct rtl2832_sdr_state *s) if (fe->ops.tuner_ops.init) fe->ops.tuner_ops.init(fe); + /* user has not requested bandwidth so calculate automatically */ + if (bandwidth == 0) + bandwidth = s->f_adc; + c->bandwidth_hz = bandwidth; c->frequency = f_rf; @@ -1254,9 +1258,9 @@ struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe, .id = RTL2832_SDR_CID_TUNER_BW, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Tuner BW", - .min = 200000, - .max = 8000000, - .def = 600000, + .min = 0, + .max = INT_MAX, + .def = 0, .step = 1, }; static const struct v4l2_ctrl_config ctrl_tuner_gain = {