Re: [PATCH V3.6 2/2] linux-media: dvbsky: add support for Mygica T230C v2

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The T230C v2 hardware needs a mode of the si2168 chip to be
set for which the si2168 driver previously had no support.
This patch uses a specific measure to configure this on the
T230C v2 hardware only - see the flag passed via the ts_mode
attribute and its dependency on USB_PID_MYGICA_T230C2.

Signed-off-by: Jan Pieter van Woerkom <jp@xxxxxxx>
Tested-by: Frank Rysanek <Frantisek.Rysanek@xxxxxxx>
---
diff -ru a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
--- a/drivers/media/dvb-frontends/si2168.c	2019-07-08 00:41:56.000000000 +0200
+++ b/drivers/media/dvb-frontends/si2168.c	2019-07-16 21:21:39.267802750 +0200
@@ -82,8 +82,18 @@
 
 	dev_dbg(&client->dev, "%s acquire: %d\n", __func__, acquire);
 
+	/* set manual value */
+	if (dev->ts_mode & SI2168_TS_CLK_MANUAL) {
+		memcpy(cmd.args, "\x14\x00\x0d\x10\xe8\x03", 6);
+		cmd.wlen = 6;
+		cmd.rlen = 4;
+		ret = si2168_cmd_execute(client, &cmd);
+		if (ret)
+			return ret;
+	}
 	/* set TS_MODE property */
 	memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
+	cmd.args[4] <<= (dev->ts_mode & SI2168_TS_CLK_MANUAL) >> 5;
 	if (acquire)
 		cmd.args[4] |= dev->ts_mode;
 	else
diff -ru a/drivers/media/dvb-frontends/si2168.h b/drivers/media/dvb-frontends/si2168.h
--- a/drivers/media/dvb-frontends/si2168.h	2019-07-08 00:41:56.000000000 +0200
+++ b/drivers/media/dvb-frontends/si2168.h	2019-07-16 06:29:53.913009262 +0200
@@ -30,6 +30,7 @@
 #define SI2168_TS_PARALLEL	0x06
 #define SI2168_TS_SERIAL	0x03
 #define SI2168_TS_TRISTATE	0x00
+#define SI2168_TS_CLK_MANUAL	0x20
 	u8 ts_mode;
 
 	/* TS clock inverted */



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