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media: dib0700: Only touch one bit when start/stop an adapter

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Only touch the right bit to enable/disable an adapter channel,
without touching the other adapter's one.

Tested on Nova-TD.

Link: https://lore.kernel.org/linux-media/4214942f248baddec9cfd2b4b2424993ac356a51.1632689033.git.mchehab+huawei@kernel.org

Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab <mchehab+huawei@kernel.org>, Mauro Carvalho Chehab <mchehab@kernel.org>, Michael Kuron <michael.kuron@gmail.com>, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, pb@linuxtv.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2021-09-26 21:51:28 +01:00
parent e08d8f0fad
commit c50fdd1546
1 changed files with 1 additions and 3 deletions
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4
drivers/media/usb/dvb-usb/dib0700_core.c
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@ -610,8 +610,6 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
st->buf[3] = 0x00;
st->channel_state &= ~0x3;
if ((adap->fe_adap[0].stream.props.endpoint != 2)
&& (adap->fe_adap[0].stream.props.endpoint != 3)) {
deb_info("the endpoint number (%i) is not correct, use the adapter id instead\n",
@ -624,7 +622,7 @@ int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
if (onoff)
st->channel_state |= 1 << adapt_nr;
else
st->channel_state |= 1 << (1 - adapt_nr);
st->channel_state &= ~(1 << adapt_nr);
st->buf[2] |= st->channel_state;