Hi Jean, MDS During the porting of w83792d driver, we have two questions here: (1) The sysfs interface in linux-2.6.10/Documentation/i2c/sysfs-interface is not enough for w83792d driver, we want to add some other interfaces, which are about Winbond Smart Fan(SmartFan I and SmartFan II). You may refer to w83792d for linux-2.4, it also has the interfaces about Smart Fan. Could you give me some guidance on how to add some new sysfs interface? Need we ask for the permission from LM_Sensors group or Linux kernel group? (2) In linux-2.4, the interface in /proc can be edited directly by "vi" command, But it seems that in linux-2.6, the interface in /sys can NOT, error message will appear when save: "/sys/devices/pci0000:00/0000:00:1f.3/i2c-0/0-002f/in3_max" E667: Fsync failed So, In linux-2.6, if we want to build some application later, how to use the sysfs interface directly instead of using the libsensors? In linux-2.4, it's possible. Thanks Best Regards Chunhao > -----Original Message----- > From: Jean Delvare [mailto:khali at linux-fr.org] > Sent: 2005??2??4?? 19:55 > To: PI14 HUANG0 > Cc: PI10 LHHsu; PI14 DZSHEN; LM Sensors > Subject: RE: We will port w83792d.c to linux-2.6 > > > Hi Chunhao, > > > Provided that I have successfully ported w83792d.c from linux-2.4 to 2.6, > > How should I add it into the linux kernel tree linux-2.6.10 for test? > > I have tried the following steps: > > (1)Add a file w83792d.c into the directory > > /usr/src/linux-2.6.10/drivers/i2c/chips/ > > Correct. > > > (2) modify /usr/src/linux-2.6.10/drivers/i2c/chips/Makefile (add 792 part) > > Correct again. > > > (3) modify /usr/src/linux-2.6.10/.config (add 792 part) > > Not correct. You need to edit > /usr/src/linux-2.6.10/drivers/i2c/chips/Kconfig, where you'd add a > section for the w83792d driver, just copy, paste and edit from another > chip's section. > > Once done, use "make oldconfig" or "make menuconfig" to enable the > new driver, preferably as a module. You can edit .config manually but > that's definitely not the easiest way! > > > Btw, the Documentation/i2c/writing-clients in linux-2.6.10 and > > linux-2.6.11-rc3 is NOT for linux-2.6, but for linux-2.4. You need to > > update it. > > You are right, this file is severly outdated, and would need an update. > Probably not everything needs to be, the overall structure of the > document seems correct, the major change would be to remove all > references to procfs and replace with sysfs info. Feel free to propose a > corrective patch for that file! > > Thanks, > -- > Jean Delvare ===========================================================================================The privileged confidential information contained in this email is intended for use only by the addressees as indicated by the original author of this email. If you are not the addressee indicated in this email or are not responsible for delivery of the email to such person, please kindly reply the sender indicating accordingly and delete all copies of it from your computer and network server immediately. We thank you for your cooperation. It is advisable that any unauthorized use of confidential information of Winbond is strictly prohibited; and any information in this email that does not relate to the official business of Winbond shall be deemed as neither given nor endorsed by Winbond.===========================================================================================If your computer is unable to decode Chinese font, please ignore the following message. They essentially repea! t the English statement above.???H???????t?????q?l???]???????K?????T, ?????v???o?H?H???w?????H?H???\????. ?????z???D?Q???w?????H?H???]???????]?b???g???v?????????U???????H??, ???z?i?????o?H?H?????Y?N?H???q?q???P???????A???????H????. ?????z???X?@, ?????????P??. ?S??????, ???????g???v?????????????q?l?????K???T???????O?Q?Y???T????. ?H???P?????q?l???~?L???????e,???o?????????q?l?????????N??.
