[PATCH 4.18 135/158] media: helene: fix xtal frequency setting at power on
From: Greg Kroah-Hartman
Date: Mon Sep 17 2018 - 19:14:10 EST
4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Katsuhiro Suzuki <suzuki.katsuhiro@xxxxxxxxxxxxx>
[ Upstream commit a00e5f074b3f3cd39d1ccdc53d4d805b014df3f3 ]
This patch fixes crystal frequency setting when power on this device.
Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@xxxxxxxxxxxxx>
Acked-by: Abylay Ospan <aospan@xxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/dvb-frontends/helene.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/media/dvb-frontends/helene.c
+++ b/drivers/media/dvb-frontends/helene.c
@@ -897,7 +897,10 @@ static int helene_x_pon(struct helene_pr
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 */