From: Miguel Aguilar Date: Wed, 6 Jan 2010 08:06:50 +0000 (-0800) Subject: Input: davinci_keyscan - add device_enable method to platform data X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=861a64428c0786a5cfa2ffb36b2f8058dea5dda0;p=deliverable%2Flinux.git Input: davinci_keyscan - add device_enable method to platform data 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 Signed-off-by: Kevin Hilman Signed-off-by: Dmitry Torokhov --- diff --git a/arch/arm/mach-davinci/include/mach/keyscan.h b/arch/arm/mach-davinci/include/mach/keyscan.h index b4e21a2976d1..7a560e05bda8 100644 --- a/arch/arm/mach-davinci/include/mach/keyscan.h +++ b/arch/arm/mach-davinci/include/mach/keyscan.h @@ -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; diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c index 6e52d855f637..d410d7a52f1d 100644 --- a/drivers/input/keyboard/davinci_keyscan.c +++ b/drivers/input/keyboard/davinci_keyscan.c @@ -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;