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Subject[PATCH 25/39] input: Various fixes for H3600 touchscreen driver
You can pull this changeset from:
bk://kernel.bkbits.net/vojtech/input-for-linus

===================================================================
ChangeSet@1.1587.27.5, 2004-05-10 01:29:33-05:00, dtor_core@ameritech.net
Input: various fixes for H3600 touchscreen driver
- h3600ts_interrupt, npower_button_handler and action_button_handler
should return irqreturn_t
- fix missing argument in h3600ts_process_packet call
- add MODULE_AUTHOR, MODULE_DESCRIPTION and MODULE_LICENSE
- small formatting changes


h3600_ts_input.c | 32 +++++++++++++++++++++-----------
1 files changed, 21 insertions(+), 11 deletions(-)
===================================================================
diff -Nru a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
--- a/drivers/input/touchscreen/h3600_ts_input.c 2004-06-07 13:11:34 +02:00
+++ b/drivers/input/touchscreen/h3600_ts_input.c 2004-06-07 13:11:34 +02:00
@@ -45,6 +45,10 @@
#include <asm/arch/hardware.h>
#include <asm/arch/irqs.h>

+MODULE_AUTHOR("James Simmons <jsimmons@transvirtual.com>");
+MODULE_DESCRIPTION("H3600 touchscreen driver");
+MODULE_LICENSE("GPL");
+
/*
* Definitions & global arrays.
*/
@@ -103,7 +107,7 @@
char phys[32];
};

-static void action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t action_button_handler(int irq, void *dev_id, struct pt_regs *regs)
{
int down = (GPLR & GPIO_BITSY_ACTION_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
@@ -111,9 +115,11 @@
input_regs(dev, regs);
input_report_key(dev, KEY_ENTER, down);
input_sync(dev);
+
+ return IRQ_HANDLED;
}

-static void npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t npower_button_handler(int irq, void *dev_id, struct pt_regs *regs)
{
int down = (GPLR & GPIO_BITSY_NPOWER_BUTTON) ? 0 : 1;
struct input_dev *dev = (struct input_dev *) dev_id;
@@ -126,6 +132,8 @@
input_report_key(dev, KEY_SUSPEND, 1);
input_report_key(dev, KEY_SUSPEND, down);
input_sync(dev);
+
+ return IRQ_HANDLED;
}

#ifdef CONFIG_PM
@@ -141,7 +149,7 @@
* h3600_flite_power: enables or disables power to frontlight, using last bright */
unsigned int h3600_flite_power(struct input_dev *dev, enum flite_pwr pwr)
{
- unsigned char brightness = ((pwr==FLITE_PWR_OFF) ? 0:flite_brightness);
+ unsigned char brightness = (pwr == FLITE_PWR_OFF) ? 0 : flite_brightness;
struct h3600_dev *ts = dev->private;

/* Must be in this order */
@@ -317,8 +325,8 @@
#define STATE_DATA 2 /* state where we decode data */
#define STATE_EOF 3 /* state where we decode checksum or EOF */

-static void h3600ts_interrupt(struct serio *serio, unsigned char data,
- unsigned int flags)
+static irqreturn_t h3600ts_interrupt(struct serio *serio, unsigned char data,
+ unsigned int flags, struct pt_regs *regs)
{
struct h3600_dev *ts = serio->private;

@@ -329,7 +337,7 @@
case STATE_SOF:
if (data == CHAR_SOF)
state = STATE_ID;
- return;
+ break;
case STATE_ID:
ts->event = (data & 0xf0) >> 4;
ts->len = (data & 0xf);
@@ -339,7 +347,7 @@
break;
}
ts->chksum = data;
- state=(ts->len > 0 ) ? STATE_DATA : STATE_EOF;
+ state = (ts->len > 0) ? STATE_DATA : STATE_EOF;
break;
case STATE_DATA:
ts->chksum += data;
@@ -349,13 +357,15 @@
break;
case STATE_EOF:
state = STATE_SOF;
- if (data == CHAR_EOF || data == ts->chksum )
- h3600ts_process_packet(ts);
+ if (data == CHAR_EOF || data == ts->chksum)
+ h3600ts_process_packet(ts, regs);
break;
default:
printk("Error3\n");
break;
}
+
+ return IRQ_HANDLED;
}

/*
@@ -378,8 +388,8 @@
init_input_dev(&ts->dev);

/* Device specific stuff */
- set_GPIO_IRQ_edge( GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES );
- set_GPIO_IRQ_edge( GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE );
+ set_GPIO_IRQ_edge(GPIO_BITSY_ACTION_BUTTON, GPIO_BOTH_EDGES);
+ set_GPIO_IRQ_edge(GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE);

if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler,
SA_SHIRQ | SA_INTERRUPT | SA_SAMPLE_RANDOM,
-
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