aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb-frontends/mn88443x.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb-frontends/mn88443x.c')
-rw-r--r--drivers/media/dvb-frontends/mn88443x.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/media/dvb-frontends/mn88443x.c b/drivers/media/dvb-frontends/mn88443x.c
index e4528784f847..fff212c0bf3b 100644
--- a/drivers/media/dvb-frontends/mn88443x.c
+++ b/drivers/media/dvb-frontends/mn88443x.c
@@ -204,11 +204,18 @@ struct mn88443x_priv {
struct regmap *regmap_t;
};
-static void mn88443x_cmn_power_on(struct mn88443x_priv *chip)
+static int mn88443x_cmn_power_on(struct mn88443x_priv *chip)
{
+ struct device *dev = &chip->client_s->dev;
struct regmap *r_t = chip->regmap_t;
+ int ret;
- clk_prepare_enable(chip->mclk);
+ ret = clk_prepare_enable(chip->mclk);
+ if (ret) {
+ dev_err(dev, "Failed to prepare and enable mclk: %d\n",
+ ret);
+ return ret;
+ }
gpiod_set_value_cansleep(chip->reset_gpio, 1);
usleep_range(100, 1000);
@@ -222,6 +229,8 @@ static void mn88443x_cmn_power_on(struct mn88443x_priv *chip)
} else {
regmap_write(r_t, HIZSET3, 0x8f);
}
+
+ return 0;
}
static void mn88443x_cmn_power_off(struct mn88443x_priv *chip)
@@ -738,7 +747,10 @@ static int mn88443x_probe(struct i2c_client *client,
chip->fe.demodulator_priv = chip;
i2c_set_clientdata(client, chip);
- mn88443x_cmn_power_on(chip);
+ ret = mn88443x_cmn_power_on(chip);
+ if (ret)
+ goto err_i2c_t;
+
mn88443x_s_sleep(chip);
mn88443x_t_sleep(chip);

Privacy Policy