From: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
To: Gonsolo <gonsolo@gmail.com>
Cc: JP <jp@jpvw.nl>, crope@iki.fi, Sean Young <sean@mess.org>,
linux-media@vger.kernel.org,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] si2157: Add support for Logilink VG0022A.
Date: Thu, 3 Oct 2019 09:52:37 -0300 [thread overview]
Message-ID: <20191003095237.2efa0e7f@coco.lan> (raw)
In-Reply-To: <20191003094904.3aa5fdc7@coco.lan>
Em Thu, 3 Oct 2019 09:49:04 -0300
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> escreveu:
> Em Thu, 3 Oct 2019 13:41:23 +0200
> Gonsolo <gonsolo@gmail.com> escreveu:
>
> > Hi!
> >
> > > It means that there's a firmware stored at the device's eeprom
> > > (version 4.0.2). When the driver starts, it downloads a newer firmware
> > > from the file dvb-demod-si2168-b40-01.fw.
> >
> > Thanks for the explanation.
> >
> > > Btw, could you please try the enclosed hack and post the results?
> >
> > Will do in a second.
> >
> > FWIW, this hack worked:
> >
> > diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
> > index e87040d6eca7..28a3a4f1640e 100644
> > --- a/drivers/media/tuners/si2157.c
> > +++ b/drivers/media/tuners/si2157.c
> > @@ -136,6 +136,7 @@ static int si2157_init(struct dvb_frontend *fe)
> > #define SI2147_A30 ('A' << 24 | 47 << 16 | '3' << 8 | '0' << 0)
> > #define SI2146_A10 ('A' << 24 | 46 << 16 | '1' << 8 | '0' << 0)
> > #define SI2141_A10 ('A' << 24 | 41 << 16 | '1' << 8 | '0' << 0)
> > + #define GONZO (255 << 24 | 255 << 16 | 255 << 8 | 255 << 0)
> >
> > switch (chip_id) {
> > case SI2158_A20:
> > @@ -148,6 +149,10 @@ static int si2157_init(struct dvb_frontend *fe)
> > case SI2177_A30:
> > fw_name = SI2157_A30_FIRMWARE;
> > break;
> > + case GONZO:
> > + dev_info(&client->dev, "trying null\n");
> > + fw_name = NULL;
> > + break;
> > case SI2157_A30:
> > case SI2147_A30:
> > case SI2146_A10:
>
> What does it print with this hack?
>
> Also, could you get the SI version after the reset code at
> skip_fw_download, just after retrieving si2157 firmware version?
Maybe something like this would make it work?
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index e87040d6eca7..86d945fd50b9 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -129,6 +129,28 @@ static int si2157_init(struct dvb_frontend *fe)
chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 | cmd.args[3] << 8 |
cmd.args[4] << 0;
+ if (chip_id == 0xffffffff) {
+ /* reboot the tuner */
+ memcpy(cmd.args, "\x01\x01", 2);
+ cmd.wlen = 2;
+ cmd.rlen = 1;
+ ret = si2157_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ /* query chip revision */
+ memcpy(cmd.args, "\x02", 1);
+ cmd.wlen = 1;
+ cmd.rlen = 13;
+ ret = si2157_cmd_execute(client, &cmd);
+ if (ret)
+ goto err;
+
+ chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 | cmd.args[3] << 8 |
+ cmd.args[4] << 0;
+
+ }
+
#define SI2177_A30 ('A' << 24 | 77 << 16 | '3' << 8 | '0' << 0)
#define SI2158_A20 ('A' << 24 | 58 << 16 | '2' << 8 | '0' << 0)
#define SI2148_A20 ('A' << 24 | 48 << 16 | '2' << 8 | '0' << 0)
Thanks,
Mauro
next prev parent reply other threads:[~2019-10-03 12:52 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-30 10:32 DVB-T2 Stick Gonsolo
2019-02-19 21:30 ` Sean Young
2019-10-01 22:19 ` Gonsolo
2019-10-01 23:52 ` Mauro Carvalho Chehab
2019-10-02 14:13 ` [PATCH] si2157: Add support for Logilink VG0022A Gon Solo
2019-10-02 14:13 ` Gon Solo
2019-10-02 14:27 ` Sean Young
2019-10-02 14:44 ` Gonsolo
2019-10-02 15:06 ` Sean Young
2019-10-02 15:21 ` Gonsolo
2019-10-02 17:23 ` JP
2019-10-02 18:49 ` Mauro Carvalho Chehab
2019-10-03 8:06 ` [PATCH 0/1] Testing timing patch " Gon Solo
2019-10-03 8:06 ` [PATCH 1/1] Test Mauros timing patch Gon Solo
2019-10-03 10:13 ` [PATCH] si2157: Add support for Logilink VG0022A Gonsolo
2019-10-03 10:57 ` Gonsolo
2019-10-03 11:17 ` Mauro Carvalho Chehab
2019-10-03 11:41 ` Gonsolo
2019-10-03 12:49 ` Mauro Carvalho Chehab
2019-10-03 12:52 ` Mauro Carvalho Chehab [this message]
2019-10-03 13:02 ` Gon Solo
2019-10-03 13:53 ` Gonsolo
2019-10-03 14:05 ` Mauro Carvalho Chehab
2019-10-03 14:29 ` Gonsolo
2019-10-03 12:01 ` Gon Solo
2019-10-03 12:12 ` Mauro Carvalho Chehab
2019-10-03 12:20 ` Gon Solo
2019-10-03 12:45 ` [PATCH 0/3] " Gon Solo
2019-10-03 12:45 ` [PATCH 1/3] [PATCH] af9035: Better explain how i2c bus speed is computed Gon Solo
2019-10-03 12:45 ` [PATCH 2/3] [PATCH] s2157: Handle bogus chip version Gon Solo
2019-10-03 12:45 ` [PATCH 3/3] [PATCH] af9035: Add Logilink VG0022A id Gon Solo
2019-10-03 11:05 ` [PATCH] si2157: Add support for Logilink VG0022A Mauro Carvalho Chehab
2019-10-03 15:00 ` Gonsolo
2019-10-03 15:02 ` Mauro Carvalho Chehab
2019-10-03 15:17 ` Gonsolo
2019-10-03 16:03 ` Gon Solo
2019-10-03 16:09 ` Mauro Carvalho Chehab
2019-10-03 16:23 ` Gon Solo
2019-10-03 17:42 ` Mauro Carvalho Chehab
2019-10-03 17:49 ` Gonsolo
2019-10-03 18:32 ` Gon Solo
2019-10-03 18:42 ` JP
2019-10-03 18:50 ` Gonsolo
2019-10-03 18:53 ` Gonsolo
2019-10-03 19:19 ` Gonsolo
2019-10-03 19:39 ` Mauro Carvalho Chehab
2019-10-03 19:44 ` Mauro Carvalho Chehab
2019-10-03 19:51 ` Gonsolo
2019-10-03 20:03 ` Mauro Carvalho Chehab
2019-10-03 20:32 ` Gonsolo
2019-10-04 11:50 ` JP
2019-10-04 12:08 ` Mauro Carvalho Chehab
2019-10-04 13:15 ` [PATCH 1/4] media: si2168: use bits instead of bool for flags Mauro Carvalho Chehab
2019-10-04 13:15 ` [PATCH 2/4] media: si2168: add support for not loading a firmware Mauro Carvalho Chehab
2019-10-04 13:15 ` [PATCH 3/4] media: af9035: add support for Logilink VG0022A Mauro Carvalho Chehab
2019-10-09 21:44 ` Gon Solo
2019-10-09 22:04 ` Gon Solo
2019-10-10 8:23 ` Gon Solo
2019-10-10 9:18 ` Gon Solo
2019-10-10 9:50 ` [PATCH 0/4] Add " Gon Solo
2019-10-10 10:10 ` Mauro Carvalho Chehab
2019-10-10 9:51 ` [PATCH 1/4] si2168: Use bits and convert to kernel-doc format Gon Solo
2019-10-10 9:51 ` [PATCH 2/4] si2157: Add option for not downloading firmware Gon Solo
2019-10-10 9:51 ` [PATCH 3/4] af9035: Make speed computation clear Gon Solo
2019-10-10 9:51 ` [PATCH 4/4] Add support for Logilink VG0022A Gon Solo
2019-10-10 11:44 ` Gon Solo
2019-11-15 18:06 ` Gon Solo
2019-10-04 13:15 ` [PATCH 4/4] media: af9035: add the formula used for the I2C speed Mauro Carvalho Chehab
2019-10-10 10:55 ` [PATCH 1/4] media: si2168: use bits instead of bool for flags Gon Solo
2019-10-10 11:34 ` Mauro Carvalho Chehab
2019-10-10 11:42 ` Mauro Carvalho Chehab
2019-10-04 13:50 ` [PATCH] si2157: Add support for Logilink VG0022A JP
2019-10-04 14:16 ` Mauro Carvalho Chehab
2019-10-03 19:40 ` Gonsolo
2019-10-03 19:52 ` Mauro Carvalho Chehab
2019-10-03 19:57 ` Gonsolo
2019-10-02 15:00 ` Mauro Carvalho Chehab
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191003095237.2efa0e7f@coco.lan \
--to=mchehab+samsung@kernel.org \
--cc=crope@iki.fi \
--cc=gonsolo@gmail.com \
--cc=jp@jpvw.nl \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=sean@mess.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).