From patchwork Mon Nov 2 22:51:26 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Regel X-Patchwork-Id: 1963 Return-path: Envelope-to: mchehab@infradead.org Delivery-date: Mon, 02 Nov 2009 22:51:31 +0000 Received: from bombadil.infradead.org [18.85.46.34] by pedra.chehab.org with IMAP (fetchmail-6.3.6) for (single-drop); Tue, 03 Nov 2009 07:40:30 -0200 (BRST) Received: from vger.kernel.org ([209.132.176.167]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1N55kI-00083J-TR; Mon, 02 Nov 2009 22:51:31 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932478AbZKBWvY (ORCPT + 1 other); Mon, 2 Nov 2009 17:51:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932378AbZKBWvY (ORCPT ); Mon, 2 Nov 2009 17:51:24 -0500 Received: from mail.gmx.net ([213.165.64.20]:58621 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932408AbZKBWvY (ORCPT ); Mon, 2 Nov 2009 17:51:24 -0500 Received: (qmail invoked by alias); 02 Nov 2009 22:51:28 -0000 Received: from i59F6A205.versanet.de (EHLO [192.168.0.20]) [89.246.162.5] by mail.gmx.net (mp017) with SMTP; 02 Nov 2009 23:51:28 +0100 X-Authenticated: #126152 X-Provags-ID: V01U2FsdGVkX18/i7AoDwE/f/bKapn7NCd+Z4ghpCSpfjtEvmH5kR +uMNX55f0w1f01 Message-ID: <4AEF626E.1070605@gmx.de> Date: Mon, 02 Nov 2009 23:51:26 +0100 From: Andreas Regel User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: [PATCH 7/9] stv090x: additional check for signal presence based on AGC1 X-Y-GMX-Trusted: 0 X-FuHaFi: 0.46 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This patch adds an additional check for signal presence based on AGC1. Signed-off-by: Andreas Regel --- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff -r c6b33af45211 linux/drivers/media/dvb/frontends/stv090x.c --- a/linux/drivers/media/dvb/frontends/stv090x.c Mon Nov 02 23:03:44 2009 +0100 +++ b/linux/drivers/media/dvb/frontends/stv090x.c Mon Nov 02 23:08:29 2009 +0100 @@ -3997,7 +3997,7 @@ if ((agc1_power == 0) && (power_iq < STV090x_IQPOWER_THRESHOLD)) { dprintk(FE_ERROR, 1, "No Signal: POWER_IQ=0x%02x", power_iq); lock = 0; - + signal_state = STV090x_NOAGC1; } else { reg = STV090x_READ_DEMOD(state, DEMOD); STV090x_SETFIELD_Px(reg, SPECINV_CONTROL_FIELD, state->inversion); @@ -4021,9 +4021,8 @@ } } - /* need to check for AGC1 state */ - - + if (signal_state == STV090x_NOAGC1) + return signal_state; if (state->algo == STV090x_BLIND_SEARCH) lock = stv090x_blind_search(state); diff -r c6b33af45211 linux/drivers/media/dvb/frontends/stv090x_priv.h --- a/linux/drivers/media/dvb/frontends/stv090x_priv.h Mon Nov 02 23:03:44 2009 +0100 +++ b/linux/drivers/media/dvb/frontends/stv090x_priv.h Mon Nov 02 23:08:29 2009 +0100 @@ -91,6 +91,7 @@ STV090x_SEARCH_AGC2_TH_CUT30) enum stv090x_signal_state { + STV090x_NOAGC1, STV090x_NOCARRIER, STV090x_NODATA, STV090x_DATAOK,