ASPEED_PTCR_TACH_SOURCE 470 drivers/hwmon/aspeed-pwm-tacho.c regmap_update_bits(regmap, ASPEED_PTCR_TACH_SOURCE, ASPEED_PTCR_TACH_SOURCE 927 drivers/hwmon/aspeed-pwm-tacho.c regmap_write(priv->regmap, ASPEED_PTCR_TACH_SOURCE, 0);