Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1428699
| From | ghzhong <ghzhong@yifangdigital.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] HID: i2c-hid: set power sleep before shutdown |
| Date | 2016-06-22 13:30 +0200 |
| Message-ID | <rMOw1-2Jv-7@gated-at.bofh.it> (permalink) |
| References | <rMrg7-4Cx-77@gated-at.bofh.it> <rMrJ7-53M-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 06/21/2016 07:09 PM, Jiri Kosina wrote: > On Tue, 21 Jun 2016, Guohua Zhong wrote: > >> Add i2c_hid_shutdown for i2c-hid driver to send suspend cmd & free >> irq before device shutdown. >> >> Some HW design (i.e. Umaro, a chromebook model) is that the power to >> i2c hid device won't down after device shutdown. Also the i2c-hid driver >> do not send suspend cmd to the hid i2c device and free its irq before >> shutdown.So if We touch the touchscreen or some other i2c hid device, >> the power consumtion will be go up even when the device is in shutdown >> state. >> >> Though the root cause maybe a HW issue. But it seems that it is a >> good pratice to set power sleep for i2c-hid device before shutdown. > Applied, thanks. > Do you mean that the Patch V2 has been reviewed & approved? Or I make something wrong and need to do something else?
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH v2] HID: i2c-hid: set power sleep before shutdown Guohua Zhong <ghzhong@yifangdigital.com> - 2016-06-21 12:40 +0200
Re: [PATCH v2] HID: i2c-hid: set power sleep before shutdown Jiri Kosina <jikos@kernel.org> - 2016-06-21 13:10 +0200
Re: [PATCH v2] HID: i2c-hid: set power sleep before shutdown ghzhong <ghzhong@yifangdigital.com> - 2016-06-22 13:30 +0200
Re: [PATCH v2] HID: i2c-hid: set power sleep before shutdown Jiri Kosina <jikos@kernel.org> - 2016-06-22 13:30 +0200
csiph-web