Document driver support for NCT7802Y.
Add detection of NCT7904D.
Cc: Vadim V. Vlasov <vvlasov@xxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
CHANGES | 2 ++
prog/detect/sensors-detect | 33 ++++++++++++++++++++++++++++++++-
2 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/CHANGES b/CHANGES
index 9237506..5db9fa1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -32,6 +32,8 @@ SVN HEAD
Add detection of Intel 5500/5520/X58
Loosen detection rules for TS3000/TSE2002
Add detection of TSE2004 and TS3001
+ Document driver support for NCT7802Y
+ Add detection of NCT7904D
3.3.5 "Happy Birthday Beddy" (2014-01-22)
libsensors: Improve documentation of two functions
diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 8fb1ae3..436cf95 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -734,10 +734,15 @@ use vars qw(@i2c_adapter_names);
i2c_detect => sub { w83795_detect(@_); },
}, {
name => "Nuvoton NCT7802Y",
- driver => "to-be-written",
+ driver => "nct7802",
i2c_addrs => [0x28..0x2f],
i2c_detect => sub { nct7802_detect(@_); },
}, {
+ name => "Nuvoton NCT7904D",
+ driver => "nct7904",
+ i2c_addrs => [0x2d..0x2e],
+ i2c_detect => sub { nct7904_detect(@_); },
+ }, {
name => "Winbond W83627HF",
driver => "use-isa-instead",
i2c_addrs => [0x28..0x2f],
@@ -5635,6 +5640,32 @@ sub nct7802_detect
}
# Registers used:
+# 0x7a: Vendor ID
+# 0x7b: Chip ID
+# 0x7c: Device ID
+# 0xff: Bank Select
+#
+sub nct7904_detect
+{
+ my ($reg);
+ my ($file, $addr) = @_;
+
+ $reg = i2c_smbus_read_byte_data($file, 0x7a);
+ return unless $reg == 0x50;
+
+ $reg = i2c_smbus_read_byte_data($file, 0x7b);
+ return unless $reg == 0xc5;
+
+ $reg = i2c_smbus_read_byte_data($file, 0x7c);
+ return unless ($reg & 0xf0) == 0x50;
+
+ $reg = i2c_smbus_read_byte_data($file, 0xff);
+ return unless ($reg & 0xf8) == 0x00;
+
+ return 8;
+}
+
+# Registers used:
# 0x48: Full I2C Address
# 0x4e: Vendor ID byte selection
# 0x4f: Vendor ID
--
2.1.0
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