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Input: sh_keysc - add mode 4 and mode 5 support

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Add Mode 4 and Mode 5 support to the SH_KEYSC driver. These modes allow
slightly larger key pad matrixes.

While at it, make use of resource_size().

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Magnus Damm 2010-01-21 00:02:36 -08:00 committed by Dmitry Torokhov
parent 5a9003db1f
commit 3bf127637e
2 changed files with 6 additions and 5 deletions
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6
drivers/input/keyboard/sh_keysc.c
View File

@ -36,6 +36,8 @@ static const struct {
[SH_KEYSC_MODE_1] = { 0, 6, 5 }, [SH_KEYSC_MODE_1] = { 0, 6, 5 },
[SH_KEYSC_MODE_2] = { 1, 5, 6 }, [SH_KEYSC_MODE_2] = { 1, 5, 6 },
[SH_KEYSC_MODE_3] = { 2, 4, 7 }, [SH_KEYSC_MODE_3] = { 2, 4, 7 },
[SH_KEYSC_MODE_4] = { 3, 6, 6 },
[SH_KEYSC_MODE_5] = { 4, 6, 7 },
}; };
struct sh_keysc_priv { struct sh_keysc_priv {
@ -122,8 +124,6 @@ static irqreturn_t sh_keysc_isr(int irq, void *dev_id)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
#define res_size(res) ((res)->end - (res)->start + 1)
static int __devinit sh_keysc_probe(struct platform_device *pdev) static int __devinit sh_keysc_probe(struct platform_device *pdev)
{ {
struct sh_keysc_priv *priv; struct sh_keysc_priv *priv;
@ -164,7 +164,7 @@ static int __devinit sh_keysc_probe(struct platform_device *pdev)
memcpy(&priv->pdata, pdev->dev.platform_data, sizeof(priv->pdata)); memcpy(&priv->pdata, pdev->dev.platform_data, sizeof(priv->pdata));
pdata = &priv->pdata; pdata = &priv->pdata;
priv->iomem_base = ioremap_nocache(res->start, res_size(res)); priv->iomem_base = ioremap_nocache(res->start, resource_size(res));
if (priv->iomem_base == NULL) { if (priv->iomem_base == NULL) {
dev_err(&pdev->dev, "failed to remap I/O memory\n"); dev_err(&pdev->dev, "failed to remap I/O memory\n");
error = -ENXIO; error = -ENXIO;

5
include/linux/input/sh_keysc.h
View File

@ -1,10 +1,11 @@
#ifndef __SH_KEYSC_H__ #ifndef __SH_KEYSC_H__
#define __SH_KEYSC_H__ #define __SH_KEYSC_H__
#define SH_KEYSC_MAXKEYS 30 #define SH_KEYSC_MAXKEYS 42
struct sh_keysc_info { struct sh_keysc_info {
enum { SH_KEYSC_MODE_1, SH_KEYSC_MODE_2, SH_KEYSC_MODE_3 } mode; enum { SH_KEYSC_MODE_1, SH_KEYSC_MODE_2, SH_KEYSC_MODE_3,
SH_KEYSC_MODE_4, SH_KEYSC_MODE_5 } mode;
int scan_timing; /* 0 -> 7, see KYCR1, SCN[2:0] */ int scan_timing; /* 0 -> 7, see KYCR1, SCN[2:0] */
int delay; int delay;
int kycr2_delay; int kycr2_delay;