From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: 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 Message-ID: <4AEF626E.1070605@gmx.de> Date: Mon, 02 Nov 2009 23:51:26 +0100 From: Andreas Regel MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: [PATCH 7/9] stv090x: additional check for signal presence based on AGC1 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: This patch adds an additional check for signal presence based on AGC1. Signed-off-by: Andreas Regel 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,