hwmon: (pmbus/tda38640) Use PMBUS_REGULATOR_ONE to declare regulator

If a chip only provides a single regulator, it should be named 'vout'
and not 'vout0'. Declare regulator using PMBUS_REGULATOR_ONE() to make
that happen.

Cc: Conor Dooley <[email protected]>
Cc: Naresh Solanki <[email protected]>
Cc: Patrick Rudolph <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Conor Dooley <[email protected]>
Link: https://lore.kernel.org/r/20240223-catnap-companion-c42fdd8ad110@spud
Signed-off-by: Guenter Roeck <[email protected]>

Author: groeck

drivers/hwmon/pmbus/tda38640.c

@@ -15,7 +15,7 @@
 #include "pmbus.h"
 
 static const struct regulator_desc __maybe_unused tda38640_reg_desc[] = {
-	PMBUS_REGULATOR("vout", 0),
+	PMBUS_REGULATOR_ONE("vout"),
 };
 
 struct tda38640_data {