[AUTOSEL,4.9,45/62] media: helene: fix xtal frequency setting at power on

Message ID 20180902131411.183978-35-alexander.levin@microsoft.com
State New
Headers show
Series
  • Untitled series #14481
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Commit Message

Sasha Levin Sept. 2, 2018, 1:14 p.m.
From: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>


[ Upstream commit a00e5f074b3f3cd39d1ccdc53d4d805b014df3f3 ]

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

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>

Acked-by: Abylay Ospan <aospan@netup.ru>

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>

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

-- 
2.17.1

Patch

diff --git a/drivers/media/dvb-frontends/helene.c b/drivers/media/dvb-frontends/helene.c
index e06bcd4b3ddc..800f386f1f3f 100644
--- a/drivers/media/dvb-frontends/helene.c
+++ b/drivers/media/dvb-frontends/helene.c
@@ -898,7 +898,10 @@  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 */