From: Brian Masney Date: Tue, 17 Jan 2017 09:24:51 +0000 (-0500) Subject: staging: iio: isl29028: change newlines to improve readability X-Git-Tag: v4.11-rc1~116^2~272^2~17 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b1dda969350e75f2a4a0c036748c028f6f70ba7f;p=karo-tx-linux.git staging: iio: isl29028: change newlines to improve readability Add and remove newlines to improve code readability in preparation for moving the driver out of staging. Signed-off-by: Brian Masney Signed-off-by: Jonathan Cameron --- diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c index a13c8dbbec23..d05d761bc0ef 100644 --- a/drivers/staging/iio/light/isl29028.c +++ b/drivers/staging/iio/light/isl29028.c @@ -69,10 +69,8 @@ enum isl29028_als_ir_mode { struct isl29028_chip { struct mutex lock; struct regmap *regmap; - unsigned int prox_sampling; bool enable_prox; - int lux_scale; enum isl29028_als_ir_mode als_ir_mode; }; @@ -88,6 +86,7 @@ static int isl29028_set_proxim_sampling(struct isl29028_chip *chip, if (period >= prox_period[sel]) break; } + return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, ISL29028_CONF_PROX_SLP_MASK, sel << ISL29028_CONF_PROX_SLP_SH); @@ -107,6 +106,7 @@ static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable) /* Wait for conversion to be complete for first sample */ mdelay(DIV_ROUND_UP(1000, chip->prox_sampling)); + return 0; } @@ -139,13 +139,11 @@ static int isl29028_set_als_ir_mode(struct isl29028_chip *chip, ISL29028_CONF_ALS_RANGE_MASK, ISL29028_CONF_ALS_RANGE_HIGH_LUX); break; - case ISL29028_MODE_IR: ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, ISL29028_CONF_ALS_IR_MODE_MASK, ISL29028_CONF_ALS_IR_MODE_IR); break; - case ISL29028_MODE_NONE: return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE, ISL29028_CONF_ALS_EN_MASK, @@ -192,6 +190,7 @@ static int isl29028_read_als_ir(struct isl29028_chip *chip, int *als_ir) } *als_ir = ((msb & 0xF) << 8) | (lsb & 0xFF); + return 0; } @@ -205,6 +204,7 @@ static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox) ret = isl29028_enable_proximity(chip, true); if (ret < 0) return ret; + chip->enable_prox = true; } @@ -214,7 +214,9 @@ static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox) ISL29028_REG_PROX_DATA, ret); return ret; } + *prox = data; + return 0; } @@ -245,6 +247,7 @@ static int isl29028_als_get(struct isl29028_chip *chip, int *als_data) als_ir_data = (als_ir_data * 49) / 100; *als_data = als_ir_data; + return 0; } @@ -258,6 +261,7 @@ static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data) dev_err(dev, "Error in enabling IR mode err %d\n", ret); return ret; } + return isl29028_read_als_ir(chip, ir_data); } @@ -279,11 +283,13 @@ static int isl29028_write_raw(struct iio_dev *indio_dev, mask); break; } + if (val < 1 || val > 100) { dev_err(dev, "Samp_freq %d is not in range[1:100]\n", val); break; } + ret = isl29028_set_proxim_sampling(chip, val); if (ret < 0) { dev_err(dev, @@ -291,9 +297,9 @@ static int isl29028_write_raw(struct iio_dev *indio_dev, ret); break; } + chip->prox_sampling = val; break; - case IIO_LIGHT: if (mask != IIO_CHAN_INFO_SCALE) { dev_err(dev, @@ -301,25 +307,29 @@ static int isl29028_write_raw(struct iio_dev *indio_dev, mask); break; } + if ((val != 125) && (val != 2000)) { dev_err(dev, "lux scale %d is invalid [125, 2000]\n", val); break; } + ret = isl29028_set_als_scale(chip, val); if (ret < 0) { dev_err(dev, "Setting lux scale fail with error %d\n", ret); break; } + chip->lux_scale = val; break; - default: dev_err(dev, "Unsupported channel type\n"); break; } + mutex_unlock(&chip->lock); + return ret; } @@ -348,30 +358,32 @@ static int isl29028_read_raw(struct iio_dev *indio_dev, default: break; } + if (ret < 0) break; + ret = IIO_VAL_INT; break; - case IIO_CHAN_INFO_SAMP_FREQ: if (chan->type != IIO_PROXIMITY) break; + *val = chip->prox_sampling; ret = IIO_VAL_INT; break; - case IIO_CHAN_INFO_SCALE: if (chan->type != IIO_LIGHT) break; *val = chip->lux_scale; ret = IIO_VAL_INT; break; - default: dev_err(dev, "mask value 0x%08lx not supported\n", mask); break; } + mutex_unlock(&chip->lock); + return ret; } @@ -497,6 +509,7 @@ static int isl29028_probe(struct i2c_client *client, ISL29028_REG_TEST1_MODE, ret); return ret; } + ret = regmap_write(chip->regmap, ISL29028_REG_TEST2_MODE, 0x0); if (ret < 0) { dev_err(&client->dev, @@ -517,6 +530,7 @@ static int isl29028_probe(struct i2c_client *client, indio_dev->name = id->name; indio_dev->dev.parent = &client->dev; indio_dev->modes = INDIO_DIRECT_MODE; + ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev); if (ret < 0) { dev_err(&client->dev, @@ -524,6 +538,7 @@ static int isl29028_probe(struct i2c_client *client, ret); return ret; } + return 0; }