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2 Commits

Author SHA1 Message Date
Lejun Zhu
7740fc5210 Input: soc_button_array - fix a crash during rmmod 
When the system has zero or one button available, trying to rmmod
soc_button_array will cause crash. Fix this by properly handling -ENODEV
in probe().

Signed-off-by: Lejun Zhu <lejun.zhu@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2014-04-22 22:56:36 -07:00
Lejun Zhu
61cd4822dd Input: add driver for SOC button array 
This patch adds support for the GPIO buttons on some Intel Bay Trail
tablets originally running Windows 8. The ACPI description of these
buttons follows "Windows ACPI Design Guide for SoC Platforms".

Signed-off-by: Lejun Zhu <lejun.zhu@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2014-03-30 23:40:56 -07:00