From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout-de.gmx.net ([213.165.64.23]:46438 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1756903Ab1I2VWi (ORCPT ); Thu, 29 Sep 2011 17:22:38 -0400 Message-ID: <4E84E1A5.3040903@gmx.net> Date: Thu, 29 Sep 2011 23:22:45 +0200 From: Lutz Sammer MIME-Version: 1.0 To: linux-media@vger.kernel.org Subject: [PATCH v2] stb0899: Fix slow and not locking DVB-S transponder(s) References: <4E84E010.5020602@gmx.net> In-Reply-To: <4E84E010.5020602@gmx.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Another version of http://patchwork.linuxtv.org/patch/6307 http://patchwork.linuxtv.org/patch/6510 which was superseded or rejected, but I don't know why. In stb0899_status stb0899_check_data the first read of STB0899_VSTATUS could read old (from previous search) status bits and the search fails on a good frequency. With the patch more transponder could be locked and locks about 2* faster. Signed-off-by: Lutz Sammer --- drivers/media/dvb/frontends/stb0899_algo.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/media/dvb/frontends/stb0899_algo.c b/drivers/media/dvb/frontends/stb0899_algo.c index d70eee0..8eca419 100644 --- a/drivers/media/dvb/frontends/stb0899_algo.c +++ b/drivers/media/dvb/frontends/stb0899_algo.c @@ -358,6 +358,7 @@ static enum stb0899_status stb0899_check_data(struct stb0899_state *state) else dataTime = 500; + stb0899_read_reg(state, STB0899_VSTATUS); /* clear old status bits */ stb0899_write_reg(state, STB0899_DSTATUS2, 0x00); /* force search loop */ while (1) { /* WARNING! VIT LOCKED has to be tested before VIT_END_LOOOP */ -- 1.7.6.1