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path: root/drivers/media/common/tuners/tda18271-fe.c
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Diffstat (limited to 'drivers/media/common/tuners/tda18271-fe.c')
-rw-r--r--drivers/media/common/tuners/tda18271-fe.c38
1 files changed, 25 insertions, 13 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index b262100ae89..46c080089eb 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -719,45 +719,56 @@ static int tda18271_ir_cal_init(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
+ int ret;
- tda18271_read_regs(fe);
+ ret = tda18271_read_regs(fe);
+ if (ret < 0)
+ goto fail;
/* test IR_CAL_OK to see if we need init */
if ((regs[R_EP1] & 0x08) == 0)
- tda18271_init_regs(fe);
-
- return 0;
+ ret = tda18271_init_regs(fe);
+fail:
+ return ret;
}
static int tda18271_init(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
+ int ret;
mutex_lock(&priv->lock);
/* power up */
- tda18271_set_standby_mode(fe, 0, 0, 0);
+ ret = tda18271_set_standby_mode(fe, 0, 0, 0);
+ if (ret < 0)
+ goto fail;
/* initialization */
- tda18271_ir_cal_init(fe);
+ ret = tda18271_ir_cal_init(fe);
+ if (ret < 0)
+ goto fail;
if (priv->id == TDA18271HDC2)
tda18271c2_rf_cal_init(fe);
-
+fail:
mutex_unlock(&priv->lock);
- return 0;
+ return ret;
}
static int tda18271_tune(struct dvb_frontend *fe,
struct tda18271_std_map_item *map, u32 freq, u32 bw)
{
struct tda18271_priv *priv = fe->tuner_priv;
+ int ret;
tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
freq, map->if_freq, bw, map->agc_mode, map->std);
- tda18271_init(fe);
+ ret = tda18271_init(fe);
+ if (ret < 0)
+ goto fail;
mutex_lock(&priv->lock);
@@ -772,8 +783,8 @@ static int tda18271_tune(struct dvb_frontend *fe,
tda18271_channel_configuration(fe, map, freq, bw);
mutex_unlock(&priv->lock);
-
- return 0;
+fail:
+ return ret;
}
/* ------------------------------------------------------------------ */
@@ -905,16 +916,17 @@ fail:
static int tda18271_sleep(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
+ int ret;
mutex_lock(&priv->lock);
/* standby mode w/ slave tuner output
* & loop thru & xtal oscillator on */
- tda18271_set_standby_mode(fe, 1, 0, 0);
+ ret = tda18271_set_standby_mode(fe, 1, 0, 0);
mutex_unlock(&priv->lock);
- return 0;
+ return ret;
}
static int tda18271_release(struct dvb_frontend *fe)