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authorArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:15:47 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-08-06 14:15:47 +0300
commit94fb1afb14c4f0ceb8c5508ddddac6819f662e95 (patch)
tree4988e5769dc7482caa7f441475ae31f50bbd37ef /drivers/hwmon/adc128d818.c
parentc4735d990268399da9133b0ad445e488ece009ad (diff)
parent47ec5303d73ea344e84f46660fff693c57641386 (diff)
downloadlinux-94fb1afb14c4f0ceb8c5508ddddac6819f662e95.tar.xz
Mgerge remote-tracking branch 'torvalds/master' into perf/core
To sync headers, for instance, in this case tools/perf was ahead of upstream till Linus merged tip/perf/core to get the PERF_RECORD_TEXT_POKE changes: Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h' diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/hwmon/adc128d818.c')
-rw-r--r--drivers/hwmon/adc128d818.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
index f9edec195c35..571d5454c6b2 100644
--- a/drivers/hwmon/adc128d818.c
+++ b/drivers/hwmon/adc128d818.c
@@ -393,6 +393,7 @@ static int adc128_init_client(struct adc128_data *data)
{
struct i2c_client *client = data->client;
int err;
+ u8 regval = 0x0;
/*
* Reset chip to defaults.
@@ -403,10 +404,17 @@ static int adc128_init_client(struct adc128_data *data)
return err;
/* Set operation mode, if non-default */
- if (data->mode != 0) {
- err = i2c_smbus_write_byte_data(client,
- ADC128_REG_CONFIG_ADV,
- data->mode << 1);
+ if (data->mode != 0)
+ regval |= data->mode << 1;
+
+ /* If external vref is selected, configure the chip to use it */
+ if (data->regulator)
+ regval |= 0x01;
+
+ /* Write advanced configuration register */
+ if (regval != 0x0) {
+ err = i2c_smbus_write_byte_data(client, ADC128_REG_CONFIG_ADV,
+ regval);
if (err)
return err;
}
@@ -416,14 +424,6 @@ static int adc128_init_client(struct adc128_data *data)
if (err)
return err;
- /* If external vref is selected, configure the chip to use it */
- if (data->regulator) {
- err = i2c_smbus_write_byte_data(client,
- ADC128_REG_CONFIG_ADV, 0x01);
- if (err)
- return err;
- }
-
return 0;
}