From: Antti Palosaari <crope@iki.fi>
Date: Tue, 13 Jun 2017 23:42:52 +0000 (-0300)
Subject: [media] af9013: remove unneeded register writes
X-Git-Tag: v4.14-rc1~332^2~91
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b2c952377593d0fe0bf1c8d27bd51678979ed34d;p=platform%2Fkernel%2Flinux-rpi.git

[media] af9013: remove unneeded register writes

Removed register writes are already chip defaults, are not required,
are set later or belong to AF9015 USB interface.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
index 2b86688..5d61be4 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -895,11 +895,6 @@ static int af9013_init(struct dvb_frontend *fe)
 	if (ret)
 		goto err;
 
-	/* enable ADC */
-	ret = regmap_write(state->regmap, 0xd73a, 0xa4);
-	if (ret)
-		goto err;
-
 	/* write API version to firmware */
 	ret = regmap_bulk_write(state->regmap, 0x9bf2, state->api_version, 4);
 	if (ret)
@@ -936,43 +931,6 @@ static int af9013_init(struct dvb_frontend *fe)
 	if (ret)
 		goto err;
 
-	/* set I2C master clock */
-	ret = regmap_write(state->regmap, 0xd416, 0x14);
-	if (ret)
-		goto err;
-
-	/* set 16 embx */
-	ret = regmap_update_bits(state->regmap, 0xd700, 0x02, 0x02);
-	if (ret)
-		goto err;
-
-	/* set no trigger */
-	ret = regmap_update_bits(state->regmap, 0xd700, 0x04, 0x00);
-	if (ret)
-		goto err;
-
-	/* set read-update bit for constellation */
-	ret = regmap_update_bits(state->regmap, 0xd371, 0x02, 0x02);
-	if (ret)
-		goto err;
-
-	/* settings for mp2if */
-	if (state->ts_mode == AF9013_TS_MODE_USB) {
-		/* AF9015 split PSB to 1.5k + 0.5k */
-		ret = regmap_update_bits(state->regmap, 0xd50b, 0x04, 0x04);
-		if (ret)
-			goto err;
-	} else {
-		/* AF9013 set mpeg to full speed */
-		ret = regmap_update_bits(state->regmap, 0xd502, 0x10, 0x10);
-		if (ret)
-			goto err;
-	}
-
-	ret = regmap_update_bits(state->regmap, 0xd520, 0x10, 0x10);
-	if (ret)
-		goto err;
-
 	/* load OFSM settings */
 	dev_dbg(&client->dev, "load ofsm settings\n");
 	len = ARRAY_SIZE(ofsm_init);