Re: [PATCH] si2168: improve scanning performance by setting property 0301 with a value from Windows driver.

2014-07-17 Thread Antti Palosaari

On 07/17/2014 10:09 PM, Luis Alves wrote:

This would be best done during init and not every time on set_frontend.


I am perfectly fine it is done during set_frontend(), even it is static 
value. There were earlier tons of these 0x14 commands, including that 
one. I removed all that were same as default (command reports back 
existing value when new is set). It happens that Olli's Si2168-A30 chip 
has different default value than Si2168-B40 I have.


init() is perfect place for enabling chip, power-up blocks, start 
clocks, downloading firmware and loading "inittab". That command seems 
to belong tuning process itself.


I will apply that.

regards
Antti




Regards,
Luis

On Thu, Jul 17, 2014 at 7:43 PM, Olli Salonen  wrote:

Signed-off-by: Olli Salonen 
---
  drivers/media/dvb-frontends/si2168.c | 7 +++
  1 file changed, 7 insertions(+)

diff --git a/drivers/media/dvb-frontends/si2168.c 
b/drivers/media/dvb-frontends/si2168.c
index 0422925..56811e1 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -313,6 +313,13 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
 if (ret)
 goto err;

+   memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
+   cmd.wlen = 6;
+   cmd.rlen = 4;
+   ret = si2168_cmd_execute(s, &cmd);
+   if (ret)
+   goto err;
+
 memcpy(cmd.args, "\x85", 1);
 cmd.wlen = 1;
 cmd.rlen = 1;
--
1.9.1

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Re: [PATCH] si2168: improve scanning performance by setting property 0301 with a value from Windows driver.

2014-07-17 Thread Luis Alves
This would be best done during init and not every time on set_frontend.

Regards,
Luis

On Thu, Jul 17, 2014 at 7:43 PM, Olli Salonen  wrote:
> Signed-off-by: Olli Salonen 
> ---
>  drivers/media/dvb-frontends/si2168.c | 7 +++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/media/dvb-frontends/si2168.c 
> b/drivers/media/dvb-frontends/si2168.c
> index 0422925..56811e1 100644
> --- a/drivers/media/dvb-frontends/si2168.c
> +++ b/drivers/media/dvb-frontends/si2168.c
> @@ -313,6 +313,13 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
> if (ret)
> goto err;
>
> +   memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
> +   cmd.wlen = 6;
> +   cmd.rlen = 4;
> +   ret = si2168_cmd_execute(s, &cmd);
> +   if (ret)
> +   goto err;
> +
> memcpy(cmd.args, "\x85", 1);
> cmd.wlen = 1;
> cmd.rlen = 1;
> --
> 1.9.1
>
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> To unsubscribe from this list: send the line "unsubscribe linux-media" in
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[PATCH] si2168: improve scanning performance by setting property 0301 with a value from Windows driver.

2014-07-17 Thread Olli Salonen
Signed-off-by: Olli Salonen 
---
 drivers/media/dvb-frontends/si2168.c | 7 +++
 1 file changed, 7 insertions(+)

diff --git a/drivers/media/dvb-frontends/si2168.c 
b/drivers/media/dvb-frontends/si2168.c
index 0422925..56811e1 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -313,6 +313,13 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
 
+   memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6);
+   cmd.wlen = 6;
+   cmd.rlen = 4;
+   ret = si2168_cmd_execute(s, &cmd);
+   if (ret)
+   goto err;
+
memcpy(cmd.args, "\x85", 1);
cmd.wlen = 1;
cmd.rlen = 1;
-- 
1.9.1

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