[PATCH 2.6] I2C: Allow it87 pwm reconfiguration

Simone Piunno pioppo at ferrara.linux.it
Sat Jan 15 18:18:25 CET 2005


On Saturday 15 January 2005 16:30, Jean Delvare wrote:

> Simone, feel free to test this (on top of 2.6.11-rc1-mm1 for example).

I've been unable to apply your patch cleanly on top of 2.6.11-rc1-mm1, but 
eventually I've managed to apply it manually.

I can confirm it works as expected.

Without parameters I get in dmesg:

  it87: Found IT8705F chip at 0x290, revision 2
  it87 0-0290: Detected broken BIOS defaults, disabling PWM interface

No pwm appears in sysfs and the missing linefeed has been fixed

Adding "options it87 fix_pwm_polarity=1" in modules.conf I get:

  it87: Found IT8705F chip at 0x290, revision 2
  it87 0-0290: Reconfiguring PWM to active high polarity

PWM controllers appear in sysfs, the fan doesn't stop running at load time and 
pwm values are now in normal direction: (0 stops, 255 runs full-speed).

Thanks!

/Simone

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