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Input: davinci_keyscan - add device_enable method to platform data

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Add a function pointer in the platform data of the DaVinci Keyscan driver
called device_enable, in order to perform board specific actions when
the device is initialized, like setup the PINMUX configuration.

Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Miguel Aguilar 2010-01-06 00:06:50 -08:00 committed by Dmitry Torokhov
parent 30a589fde0
commit 861a64428c
2 changed files with 9 additions and 0 deletions
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1
arch/arm/mach-davinci/include/mach/keyscan.h
View File

@ -29,6 +29,7 @@ enum davinci_matrix_types {
};
struct davinci_ks_platform_data {
int (*device_enable)(struct device *dev);
unsigned short *keymap;
u32 keymapsize;
u8 rep:1;

8
drivers/input/keyboard/davinci_keyscan.c
View File

@ -174,6 +174,14 @@ static int __init davinci_ks_probe(struct platform_device *pdev)
struct davinci_ks_platform_data *pdata = pdev->dev.platform_data;
int error, i;
if (pdata->device_enable) {
error = pdata->device_enable(dev);
if (error < 0) {
dev_dbg(dev, "device enable function failed\n");
return error;
}
}
if (!pdata->keymap) {
dev_dbg(dev, "no keymap from pdata\n");
return -EINVAL;