[PATCH 12/13] media: i2c: ds90ub913: Add error handling to ub913_hw_init()

[Tomi Valkeinen]

Add error handling to ub913_hw_init() using a new helper function,
ub913_update_bits().

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
 drivers/media/i2c/ds90ub913.c | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c
index 150d6641516f..8b540b360e79 100644
--- a/drivers/media/i2c/ds90ub913.c
+++ b/drivers/media/i2c/ds90ub913.c
@@ -146,6 +146,19 @@ static int ub913_write(const struct ub913_data *priv, u8 reg, u8 val)
 	return ret;
 }
 
+static int ub913_update_bits(const struct ub913_data *priv, u8 reg, u8 mask,
+			     u8 val)
+{
+	int ret;
+
+	ret = regmap_update_bits(priv->regmap, reg, mask, val);
+	if (ret < 0)
+		dev_err(&priv->client->dev,
+			"Cannot update register 0x%02x %d!\n", reg, ret);
+
+	return ret;
+}
+
 /*
  * GPIO chip
  */
@@ -733,10 +746,13 @@ static int ub913_hw_init(struct ub913_data *priv)
 	if (ret)
 		return dev_err_probe(dev, ret, "i2c master init failed\n");
 
-	ub913_read(priv, UB913_REG_GENERAL_CFG, &v);
-	v &= ~UB913_REG_GENERAL_CFG_PCLK_RISING;
-	v |= priv->pclk_polarity_rising ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0;
-	ub913_write(priv, UB913_REG_GENERAL_CFG, v);
+	ret = ub913_update_bits(priv, UB913_REG_GENERAL_CFG,
+				UB913_REG_GENERAL_CFG_PCLK_RISING,
+				priv->pclk_polarity_rising ?
+					UB913_REG_GENERAL_CFG_PCLK_RISING :
+					0);
+	if (ret)
+		return ret;
 
 	return 0;
 }

-- 
2.43.0