Input: sh_keysc - add mode 4 and mode 5 support

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>

2 files changed, 6 insertions, 5 deletions

diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index 076111fc72d2..25706f802258 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -36,6 +36,8 @@ static const struct {
         [SH_KEYSC_MODE_1] = { 0, 6, 5 },
         [SH_KEYSC_MODE_2] = { 1, 5, 6 },
         [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 {
@@ -122,8 +124,6 @@ static irqreturn_t sh_keysc_isr(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-#define res_size(res) ((res)->end - (res)->start + 1)
-
 static int __devinit sh_keysc_probe(struct platform_device *pdev)
 {
         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));
         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) {
                 dev_err(&pdev->dev, "failed to remap I/O memory\n");
                 error = -ENXIO;
diff --git a/include/linux/input/sh_keysc.h b/include/linux/input/sh_keysc.h
index c211b5cf08e6..2aff38bcf2ba 100644
--- a/include/linux/input/sh_keysc.h
+++ b/include/linux/input/sh_keysc.h
@@ -1,10 +1,11 @@
 #ifndef __SH_KEYSC_H__
 #define __SH_KEYSC_H__
 
-#define SH_KEYSC_MAXKEYS 30
+#define SH_KEYSC_MAXKEYS 42
 
 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 delay;
         int kycr2_delay;