From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wm0-f66.google.com ([74.125.82.66]:33868 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750909AbdGWKNV (ORCPT ); Sun, 23 Jul 2017 06:13:21 -0400 Received: by mail-wm0-f66.google.com with SMTP id 79so1683952wmg.1 for ; Sun, 23 Jul 2017 03:13:20 -0700 (PDT) From: Daniel Scheller To: linux-media@vger.kernel.org, mchehab@kernel.org, mchehab@s-opensource.com Cc: jasmin@anw.at, r.scobie@clear.net.nz Subject: [PATCH 2/7] [media] dvb-frontends/stv0910: implement diseqc_send_burst Date: Sun, 23 Jul 2017 12:13:10 +0200 Message-Id: <20170723101315.12523-3-d.scheller.oss@gmail.com> In-Reply-To: <20170723101315.12523-1-d.scheller.oss@gmail.com> References: <20170723101315.12523-1-d.scheller.oss@gmail.com> Sender: linux-media-owner@vger.kernel.org List-ID: From: Daniel Scheller This implements the diseqc_send_burst frontend op to support sending mini-DISEQC bursts. Picked up from dddvb's driver package where this specific block was disabled via #if 0/#endif, but is still working according to feedback from upstream, so add it. Signed-off-by: Daniel Scheller --- drivers/media/dvb-frontends/stv0910.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/media/dvb-frontends/stv0910.c b/drivers/media/dvb-frontends/stv0910.c index 4084c142f1e4..bbe609143497 100644 --- a/drivers/media/dvb-frontends/stv0910.c +++ b/drivers/media/dvb-frontends/stv0910.c @@ -1638,6 +1638,27 @@ static int send_master_cmd(struct dvb_frontend *fe, return 0; } +static int send_burst(struct dvb_frontend *fe, enum fe_sec_mini_cmd burst) +{ + struct stv *state = fe->demodulator_priv; + u16 offs = state->nr ? 0x40 : 0; + u8 value; + + if (burst == SEC_MINI_A) { + write_reg(state, RSTV0910_P1_DISTXCFG + offs, 0x3F); + value = 0x00; + } else { + write_reg(state, RSTV0910_P1_DISTXCFG + offs, 0x3E); + value = 0xFF; + } + wait_dis(state, 0x40, 0x00); + write_reg(state, RSTV0910_P1_DISTXFIFO + offs, value); + write_reg(state, RSTV0910_P1_DISTXCFG + offs, 0x3A); + wait_dis(state, 0x20, 0x20); + + return 0; +} + static int sleep(struct dvb_frontend *fe) { struct stv *state = fe->demodulator_priv; @@ -1673,6 +1694,7 @@ static struct dvb_frontend_ops stv0910_ops = { .set_tone = set_tone, .diseqc_send_master_cmd = send_master_cmd, + .diseqc_send_burst = send_burst, }; static struct stv_base *match_base(struct i2c_adapter *i2c, u8 adr) -- 2.13.0