2018-05-29 03:57:59

by Katsuhiro Suzuki

[permalink] [raw]
Subject: [RESEND PATCH] media: helene: fix xtal frequency setting at power on

This patch fixes crystal frequency setting when power on this device.

Signed-off-by: Katsuhiro Suzuki <[email protected]>
Acked-by: Abylay Ospan <[email protected]>

---

Changes from before:
- Add Abylay's Ack

---
drivers/media/dvb-frontends/helene.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/dvb-frontends/helene.c b/drivers/media/dvb-frontends/helene.c
index 0a4f312c4368..8fcf7a00782a 100644
--- a/drivers/media/dvb-frontends/helene.c
+++ b/drivers/media/dvb-frontends/helene.c
@@ -924,7 +924,10 @@ static int helene_x_pon(struct helene_priv *priv)
helene_write_regs(priv, 0x99, cdata, sizeof(cdata));

/* 0x81 - 0x94 */
- data[0] = 0x18; /* xtal 24 MHz */
+ if (priv->xtal == SONY_HELENE_XTAL_16000)
+ data[0] = 0x10; /* xtal 16 MHz */
+ else
+ data[0] = 0x18; /* xtal 24 MHz */
data[1] = (uint8_t)(0x80 | (0x04 & 0x1F)); /* 4 x 25 = 100uA */
data[2] = (uint8_t)(0x80 | (0x26 & 0x7F)); /* 38 x 0.25 = 9.5pF */
data[3] = 0x80; /* REFOUT signal output 500mVpp */
--
2.17.0



2018-06-21 03:10:00

by Katsuhiro Suzuki

[permalink] [raw]
Subject: Re: [RESEND PATCH] media: helene: fix xtal frequency setting at power on

Hello Mauro,

Ping...

If I got some mistake, please comment it...

Regards,
--
Katsuhiro Suzuki


> -----Original Message-----
> From: Katsuhiro Suzuki <[email protected]>
> Sent: Tuesday, May 29, 2018 10:09 AM
> To: Abylay Ospan <[email protected]>; Mauro Carvalho Chehab
> <[email protected]>; [email protected]
> Cc: Masami Hiramatsu <[email protected]>; Jassi Brar
> <[email protected]>; [email protected];
> [email protected]; Suzuki, Katsuhiro/$BNkLZ(B $B>!Gn(B
> <[email protected]>
> Subject: [RESEND PATCH] media: helene: fix xtal frequency setting at power on
>
> This patch fixes crystal frequency setting when power on this device.
>
> Signed-off-by: Katsuhiro Suzuki <[email protected]>
> Acked-by: Abylay Ospan <[email protected]>
>
> ---
>
> Changes from before:
> - Add Abylay's Ack
>
> ---
> drivers/media/dvb-frontends/helene.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/dvb-frontends/helene.c
> b/drivers/media/dvb-frontends/helene.c
> index 0a4f312c4368..8fcf7a00782a 100644
> --- a/drivers/media/dvb-frontends/helene.c
> +++ b/drivers/media/dvb-frontends/helene.c
> @@ -924,7 +924,10 @@ static int helene_x_pon(struct helene_priv *priv)
> helene_write_regs(priv, 0x99, cdata, sizeof(cdata));
>
> /* 0x81 - 0x94 */
> - data[0] = 0x18; /* xtal 24 MHz */
> + if (priv->xtal == SONY_HELENE_XTAL_16000)
> + data[0] = 0x10; /* xtal 16 MHz */
> + else
> + data[0] = 0x18; /* xtal 24 MHz */
> data[1] = (uint8_t)(0x80 | (0x04 & 0x1F)); /* 4 x 25 = 100uA */
> data[2] = (uint8_t)(0x80 | (0x26 & 0x7F)); /* 38 x 0.25 = 9.5pF */
> data[3] = 0x80; /* REFOUT signal output 500mVpp */
> --
> 2.17.0