From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.uli-eckhardt.de ([85.214.28.137]:40402 "EHLO mail.uli-eckhardt.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751672AbaJJRTQ (ORCPT ); Fri, 10 Oct 2014 13:19:16 -0400 Message-ID: <54381510.5080301@uli-eckhardt.de> Date: Fri, 10 Oct 2014 19:19:12 +0200 From: Ulrich Eckhardt MIME-Version: 1.0 To: linux-media@vger.kernel.org, m.chehab@samsung.com Subject: [PATCH][media] Fix LNB supply voltage of Tevii S480 on initialization References: <542C4B14.8030708@uli-eckhardt.de> In-Reply-To: <542C4B14.8030708@uli-eckhardt.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: The Tevii S480 outputs 18V on startup for the LNB supply voltage and does not automatically power down. This blocks other receivers connected to a satellite channel router (EN50494), since the receivers can not send the required DiSEqC sequences when the Tevii card is connected to a the same SCR. This patch switches off the LNB supply voltage on initialization of the frontend. Signed-off-by: Ulrich Eckhardt diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c --- a/drivers/media/dvb-frontends/ds3000.c +++ b/drivers/media/dvb-frontends/ds3000.c @@ -864,6 +864,7 @@ memcpy(&state->frontend.ops, &ds3000_ops, sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; + ds3000_set_voltage (&state->frontend, SEC_VOLTAGE_OFF); return &state->frontend; error3: -- Ulrich Eckhardt http://www.uli-eckhardt.de Ein Blitzableiter auf dem Kirchturm ist das denkbar stärkste Misstrauensvotum gegen den lieben Gott. (Karl Krauss)