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authorYong Yao <yaoyong@marvell.com>2008-12-29 04:00:02 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-29 04:59:16 -0800
commite0ee629878d91da998fc26e8fa8b977177f70f39 (patch)
tree5d8b683198a05200d71874ed8011dce00a12b5c7 /arch/arm/mach-pxa
parent105ca2398f89d141b87542d3dd58df90bc539275 (diff)
downloadop-kernel-dev-e0ee629878d91da998fc26e8fa8b977177f70f39.zip
op-kernel-dev-e0ee629878d91da998fc26e8fa8b977177f70f39.tar.gz
Input: add support for enhanced rotary controller on pxa930 and pxa935
Signed-off-by: Yong Yao <yaoyong@marvell.com> Signed-off-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa930_rotary.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/pxa930_rotary.h b/arch/arm/mach-pxa/include/mach/pxa930_rotary.h
new file mode 100644
index 0000000..053587c
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/pxa930_rotary.h
@@ -0,0 +1,20 @@
+#ifndef __ASM_ARCH_PXA930_ROTARY_H
+#define __ASM_ARCH_PXA930_ROTARY_H
+
+/* NOTE:
+ *
+ * rotary can be either interpreted as a ralative input event (e.g.
+ * REL_WHEEL or REL_HWHEEL) or a specific key event (e.g. UP/DOWN
+ * or LEFT/RIGHT), depending on if up_key & down_key are assigned
+ * or rel_code is assigned a non-zero value. When all are non-zero,
+ * up_key and down_key will be preferred.
+ */
+struct pxa930_rotary_platform_data {
+ int up_key;
+ int down_key;
+ int rel_code;
+};
+
+void __init pxa930_set_rotarykey_info(struct pxa930_rotary_platform_data *info);
+
+#endif /* __ASM_ARCH_PXA930_ROTARY_H */
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