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path: root/drivers/media/tuners/r820t.c
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Diffstat (limited to 'drivers/media/tuners/r820t.c')
-rw-r--r--drivers/media/tuners/r820t.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index 4835021aa3b..1c23666468c 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -364,8 +364,8 @@ static void shadow_store(struct r820t_priv *priv, u8 reg, const u8 *val,
}
if (len <= 0)
return;
- if (len > NUM_REGS)
- len = NUM_REGS;
+ if (len > NUM_REGS - r)
+ len = NUM_REGS - r;
tuner_dbg("%s: prev reg=%02x len=%d: %*ph\n",
__func__, r + REG_SHADOW_START, len, len, val);
@@ -1857,9 +1857,9 @@ static int r820t_imr(struct r820t_priv *priv, unsigned imr_mem, bool im_flag)
int reg18, reg19, reg1f;
if (priv->cfg->xtal > 24000000)
- ring_ref = priv->cfg->xtal / 2;
+ ring_ref = priv->cfg->xtal / 2000;
else
- ring_ref = priv->cfg->xtal;
+ ring_ref = priv->cfg->xtal / 1000;
n_ring = 15;
for (n = 0; n < 16; n++) {
@@ -2256,7 +2256,6 @@ static int r820t_release(struct dvb_frontend *fe)
mutex_unlock(&r820t_list_mutex);
- kfree(fe->tuner_priv);
fe->tuner_priv = NULL;
return 0;
@@ -2311,8 +2310,6 @@ struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
break;
}
- memcpy(&fe->ops.tuner_ops, &r820t_tuner_ops, sizeof(r820t_tuner_ops));
-
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
@@ -2327,15 +2324,14 @@ struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
tuner_info("Rafael Micro r820t successfully identified\n");
- fe->tuner_priv = priv;
- memcpy(&fe->ops.tuner_ops, &r820t_tuner_ops,
- sizeof(struct dvb_tuner_ops));
-
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
mutex_unlock(&r820t_list_mutex);
+ memcpy(&fe->ops.tuner_ops, &r820t_tuner_ops,
+ sizeof(struct dvb_tuner_ops));
+
return fe;
err:
if (fe->ops.i2c_gate_ctrl)