Hi Jiri,

Thanks for your check.
We will need to support those device IDs in future, so we added them for future use.

Best Regards
Shirley

-----邮件原件-----
发件人: Jiri Kosina <jikos@kernel.org> 
发送时间: 2020年6月16日 23:33
收件人: Caiyuan Xie <shirleyxcy@gmail.com>
抄送: benjamin.tissoires@redhat.com; linux-input@vger.kernel.org; 謝 彩圓 Caiyuan Xie <caiyuan.xie@cn.alps.com>
主题: Re: [PATCH] add alps devices to the hid-ids.h

On Fri, 22 May 2020, Caiyuan Xie wrote:

> <Change List>
> --Add ALPS devices

Please explain in the changelog why we want those device IDs added, especially as nothing in the code relies on these constants.

> 
> Signed-off-by: Caiyuan Xie <caiyuan.xie@cn.alps.com>
> ---
>  drivers/hid/hid-ids.h | 28 ++++++++++++++++------------
>  1 file changed, 16 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 
> 1c71a1aa76b2..db318e6a1ad1 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
[ ... snip ... ]
>  #define USB_VENDOR_ID_AMI		0x046b
>  #define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE	0xff10
>  
> @@ -385,7 +400,6 @@
>  #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349	0x7349
>  #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7	0x73f7
>  #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
> -#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002	0xc002
>  
>  #define USB_VENDOR_ID_ELAN		0x04f3
>  #define USB_DEVICE_ID_TOSHIBA_CLICK_L9W	0x0401
> @@ -465,10 +479,6 @@
>  #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A 0x010a  #define 
> USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100
>  
> -#define USB_VENDOR_ID_GLORIOUS  0x258a -#define 
> USB_DEVICE_ID_GLORIOUS_MODEL_D 0x0033 -#define 
> USB_DEVICE_ID_GLORIOUS_MODEL_O 0x0036
> -
>  #define I2C_VENDOR_ID_GOODIX		0x27c6
>  #define I2C_DEVICE_ID_GOODIX_01F0	0x01f0
>  
> @@ -760,7 +770,6 @@
>  #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2	0xc218
>  #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2	0xc219
>  #define USB_DEVICE_ID_LOGITECH_G15_LCD		0xc222
> -#define USB_DEVICE_ID_LOGITECH_G11		0xc225
>  #define USB_DEVICE_ID_LOGITECH_G15_V2_LCD	0xc227
>  #define USB_DEVICE_ID_LOGITECH_G510		0xc22d
>  #define USB_DEVICE_ID_LOGITECH_G510_USB_AUDIO	0xc22e
> @@ -827,7 +836,6 @@
>  #define USB_DEVICE_ID_PICK16F1454	0x0042
>  #define USB_DEVICE_ID_PICK16F1454_V2	0xf2f7
>  #define USB_DEVICE_ID_LUXAFOR		0xf372
> -#define USB_DEVICE_ID_MCP2221		0x00dd
>  
>  #define USB_VENDOR_ID_MICROSOFT		0x045e
>  #define USB_DEVICE_ID_SIDEWINDER_GV	0x003b
> @@ -1099,9 +1107,6 @@
>  #define USB_DEVICE_ID_SYMBOL_SCANNER_2	0x1300
>  #define USB_DEVICE_ID_SYMBOL_SCANNER_3	0x1200
>  
> -#define I2C_VENDOR_ID_SYNAPTICS     0x06cb
> -#define I2C_PRODUCT_ID_SYNAPTICS_SYNA2393   0x7a13
> -
>  #define USB_VENDOR_ID_SYNAPTICS		0x06cb
>  #define USB_DEVICE_ID_SYNAPTICS_TP	0x0001
>  #define USB_DEVICE_ID_SYNAPTICS_INT_TP	0x0002
> @@ -1116,7 +1121,6 @@
>  #define USB_DEVICE_ID_SYNAPTICS_LTS2	0x1d10
>  #define USB_DEVICE_ID_SYNAPTICS_HD	0x0ac3
>  #define USB_DEVICE_ID_SYNAPTICS_QUAD_HD	0x1ac3
> -#define USB_DEVICE_ID_SYNAPTICS_DELL_K12A	0x2819
>  #define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012	0x2968
>  #define USB_DEVICE_ID_SYNAPTICS_TP_V103	0x5710
>  #define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5	0x81a7

What are all these unrelated changes about?

--
Jiri Kosina
SUSE Labs