Re: Bug#587014: screen brightness can't be modified on some Panasonic laptops

2011-01-03 Thread Thomas Renninger
On Wednesday 29 December 2010 16:24:28 Nicolas Limare wrote: I also received a message reportin for this bug on a Panasonic CF-52. Can I in any way help this bug get more attention? What is Bug#587014? Do you have a link? Panasonic is the only driver which will always try to use native

Re: Bug#587014: screen brightness can't be modified on some Panasonic laptops

2011-01-03 Thread Nicolas Limare
On Mon, Jan 03, 2011 at 10:40:03AM +0100, Thomas Renninger wrote: On Wednesday 29 December 2010 16:24:28 Nicolas Limare wrote: I also received a message reportin for this bug on a Panasonic CF-52. Can I in any way help this bug get more attention? What is Bug#587014? Do you have a

Re: Bug#587014: screen brightness can't be modified on some Panasonic laptops

2011-01-03 Thread Cristopher Camacho
No, there is no. Only the /sys/class/backlight/panasonic/ directory is present. Cristopher On Tue, Jan 4, 2011 at 5:33 AM, Matthew Garrett mj...@srcf.ucam.org wrote: Is there a /sys/class/backlight/acpi_video0 directory as well as the Panasonic one? -- Matthew Garrett | mj...@srcf.ucam.org

Re: Bug#587014: screen brightness can't be modified on some Panasonic laptops

2011-01-03 Thread Matthew Garrett
On Tue, Jan 04, 2011 at 06:14:40AM +0800, Cristopher Camacho wrote: No, there is no. Only the /sys/class/backlight/panasonic/ directory is present. Can you attach the output of the acpidump command on your system? -- Matthew Garrett | mj...@srcf.ucam.org -- To unsubscribe from this list:

Re: Bug#587014: screen brightness can't be modified on some Panasonic laptops

2011-01-03 Thread Matthew Garrett
Well, that's odd. There's certainly support for ACPI backlight control in your firmware, and it goes via opregion so it should work correctly. I think the thing to do here is to have the panasonic driver bail if there's ACPI backlight support, and then figure out why the ACPI video driver