linux-kernel - [PATCH] media: tuners: fc0013 Remove unused functions

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Message-ID: <20241116151631.95706-1-linux@treblig.org>
Date: Sat, 16 Nov 2024 15:16:31 +0000
From: linux@...blig.org
To: mchehab@...nel.org,
	linux-media@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH] media: tuners: fc0013 Remove unused functions

From: "Dr. David Alan Gilbert" <linux@...blig.org>

fc0013_rc_cal_add() and fc0013_rc_cal_reset() were added in 2012's
commit e889adc91187 ("[media] fc001x: tuner driver for FC0013")
but haven't been used.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 drivers/media/tuners/fc0013.c | 64 -----------------------------------
 drivers/media/tuners/fc0013.h | 11 ------
 2 files changed, 75 deletions(-)

diff --git a/drivers/media/tuners/fc0013.c b/drivers/media/tuners/fc0013.c
index 1006a2798eef..90d2ef067594 100644
--- a/drivers/media/tuners/fc0013.c
+++ b/drivers/media/tuners/fc0013.c
@@ -112,70 +112,6 @@ static int fc0013_sleep(struct dvb_frontend *fe)
 	return 0;
 }
 
-int fc0013_rc_cal_add(struct dvb_frontend *fe, int rc_val)
-{
-	struct fc0013_priv *priv = fe->tuner_priv;
-	int ret;
-	u8 rc_cal;
-	int val;
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
-
-	/* push rc_cal value, get rc_cal value */
-	ret = fc0013_writereg(priv, 0x10, 0x00);
-	if (ret)
-		goto error_out;
-
-	/* get rc_cal value */
-	ret = fc0013_readreg(priv, 0x10, &rc_cal);
-	if (ret)
-		goto error_out;
-
-	rc_cal &= 0x0f;
-
-	val = (int)rc_cal + rc_val;
-
-	/* forcing rc_cal */
-	ret = fc0013_writereg(priv, 0x0d, 0x11);
-	if (ret)
-		goto error_out;
-
-	/* modify rc_cal value */
-	if (val > 15)
-		ret = fc0013_writereg(priv, 0x10, 0x0f);
-	else if (val < 0)
-		ret = fc0013_writereg(priv, 0x10, 0x00);
-	else
-		ret = fc0013_writereg(priv, 0x10, (u8)val);
-
-error_out:
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 0); /* close I2C-gate */
-
-	return ret;
-}
-EXPORT_SYMBOL(fc0013_rc_cal_add);
-
-int fc0013_rc_cal_reset(struct dvb_frontend *fe)
-{
-	struct fc0013_priv *priv = fe->tuner_priv;
-	int ret;
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
-
-	ret = fc0013_writereg(priv, 0x0d, 0x01);
-	if (!ret)
-		ret = fc0013_writereg(priv, 0x10, 0x00);
-
-	if (fe->ops.i2c_gate_ctrl)
-		fe->ops.i2c_gate_ctrl(fe, 0); /* close I2C-gate */
-
-	return ret;
-}
-EXPORT_SYMBOL(fc0013_rc_cal_reset);
-
 static int fc0013_set_vhf_track(struct fc0013_priv *priv, u32 freq)
 {
 	int ret;
diff --git a/drivers/media/tuners/fc0013.h b/drivers/media/tuners/fc0013.h
index 74ce5903f199..47ab36342ee8 100644
--- a/drivers/media/tuners/fc0013.h
+++ b/drivers/media/tuners/fc0013.h
@@ -16,8 +16,6 @@ extern struct dvb_frontend *fc0013_attach(struct dvb_frontend *fe,
 					struct i2c_adapter *i2c,
 					u8 i2c_address, int dual_master,
 					enum fc001x_xtal_freq xtal_freq);
-extern int fc0013_rc_cal_add(struct dvb_frontend *fe, int rc_val);
-extern int fc0013_rc_cal_reset(struct dvb_frontend *fe);
 #else
 static inline struct dvb_frontend *fc0013_attach(struct dvb_frontend *fe,
 					struct i2c_adapter *i2c,
@@ -28,15 +26,6 @@ static inline struct dvb_frontend *fc0013_attach(struct dvb_frontend *fe,
 	return NULL;
 }
 
-static inline int fc0013_rc_cal_add(struct dvb_frontend *fe, int rc_val)
-{
-	return 0;
-}
-
-static inline int fc0013_rc_cal_reset(struct dvb_frontend *fe)
-{
-	return 0;
-}
 #endif
 
 #endif
-- 
2.47.0