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From: Vojtech Pavlik <vojtech@suse.cz>
To: torvalds@osdl.org, akpm@osdl.org, vojtech@ucw.cz,
	linux-kernel@vger.kernel.org
Subject: [PATCH 25/39] input: Various fixes for H3600 touchscreen driver
Date: Mon, 7 Jun 2004 13:55:54 +0200	[thread overview]
Message-ID: <10866093541635@twilight.ucw.cz> (raw)
In-Reply-To: <10866093542769@twilight.ucw.cz>

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,


  reply	other threads:[~2004-06-07 13:00 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-07 11:50 [patches] Input update Vojtech Pavlik
2004-06-07 11:55 ` [PATCH 1/39] input: Fix a workaround for USB Legacy detected as MUX in i8042.c Vojtech Pavlik
2004-06-07 11:55   ` [PATCH 2/39] input: Profusion/ServerWorks chipset workaround in i8042.c for Ingo Molnar Vojtech Pavlik
2004-06-07 11:55     ` [PATCH 3/39] input: Fix emulation of mouse reset (0xff) command Vojtech Pavlik
2004-06-07 11:55       ` [PATCH 4/39] input: Synaptics driver cleanup Vojtech Pavlik
2004-06-07 11:55         ` [PATCH 5/39] input: Support Synaptics touchpads that have separate middle button Vojtech Pavlik
2004-06-07 11:55           ` [PATCH 6/39] input: Pass psmouse_extensions as a parameter Vojtech Pavlik
2004-06-07 11:55             ` [PATCH 7/39] input: Soften ACK warning in atkbd Vojtech Pavlik
2004-06-07 11:55               ` [PATCH 8/39] input: Fix trailing whitespace " Vojtech Pavlik
2004-06-07 11:55                 ` [PATCH 9/39] input: Remove unneeded fields in atkbd structure, convert to bitfields Vojtech Pavlik
2004-06-07 11:55                   ` [PATCH 10/39] input: Do not process scancodes in atkbd until fully initialized Vojtech Pavlik
2004-06-07 11:55                     ` [PATCH 11/39] input: Use reconnect instead of rescan in psmouse if possible Vojtech Pavlik
2004-06-07 11:55                       ` [PATCH 12/39] input: Move reconnect after errors to generic code in psmouse Vojtech Pavlik
2004-06-07 11:55                         ` [PATCH 13/39] input: Add protocol_handler to psmouse structure Vojtech Pavlik
2004-06-07 11:55                           ` [PATCH 14/39] input: Add psmouse_sliced_command Vojtech Pavlik
2004-06-07 11:55                             ` [PATCH 15/39] input: Do not modify device's properties when probing for protocol extensions Vojtech Pavlik
2004-06-07 11:55                               ` [PATCH 16/39] input: Allow disabling legacy psaux device Vojtech Pavlik
2004-06-07 11:55                                 ` [PATCH 17/39] input: Serio trailing whitespace fixes Vojtech Pavlik
2004-06-07 11:55                                   ` [PATCH 18/39] input: Make serio open and close methods optional Vojtech Pavlik
2004-06-07 11:55                                     ` [PATCH 19/39] input: Trailing whitespace fixes Vojtech Pavlik
2004-06-07 11:55                                       ` [PATCH 20/39] input: Create input_set_abs_params() Vojtech Pavlik
2004-06-07 11:55                                         ` [PATCH 21/39] input: Microtouch USB driver update Vojtech Pavlik
2004-06-07 11:55                                           ` [PATCH 22/39] input: Trailing whitespace fixes in drivers/input/serio Vojtech Pavlik
2004-06-07 11:55                                             ` [PATCH 23/39] input: kbd98io_interrupt should return irqreturn_t Vojtech Pavlik
2004-06-07 11:55                                               ` [PATCH 24/39] input: kbd98_interrupt " Vojtech Pavlik
2004-06-07 11:55                                                 ` Vojtech Pavlik [this message]
2004-06-07 11:55                                                   ` [PATCH 26/39] input: Twidjoy module fixes Vojtech Pavlik
2004-06-07 11:55                                                     ` [PATCH 27/39] input: Trailing whitespace fixes in drivers/input/keyboard Vojtech Pavlik
2004-06-07 11:55                                                       ` [PATCH 28/39] input: Power - add MODULE_LICENSE Vojtech Pavlik
2004-06-07 11:55                                                         ` [PATCH 29/39] input: Trailing whitespace fixes in drivers/input/joystick Vojtech Pavlik
2004-06-07 11:55                                                           ` [PATCH 30/39] input: Trailing whitespace fixes in drivers/input/gameport Vojtech Pavlik
2004-06-07 11:55                                                             ` [PATCH 31/39] input: Trailing whitespace fixes in drivers/input Vojtech Pavlik
2004-06-07 11:55                                                               ` [PATCH 32/39] input: Do not call synaptics_init unless we are ready to do full mouse setup Vojtech Pavlik
2004-06-07 11:55                                                                 ` [PATCH 33/39] input: Split i8042 interrupt handling into an IRQ handler and a tasklet [excluded later] Vojtech Pavlik
2004-06-07 11:55                                                                   ` [PATCH 34/39] input: i8042 - kill the timer only after removing interrupt handler Vojtech Pavlik
2004-06-07 11:55                                                                     ` [PATCH 35/39] input: Mousedev - better multiplex absolute and relative devices Vojtech Pavlik
2004-06-07 11:55                                                                       ` [PATCH 36/39] input: Fix an oops at opentime of /dev/input/event devices Vojtech Pavlik
2004-06-07 11:55                                                                         ` [PATCH 37/39] input: Check for IM Explorer mice even if IMPS check failed Vojtech Pavlik
2004-06-07 11:55                                                                           ` [PATCH 38/39] input: Fix oops in hiddev Vojtech Pavlik
2004-06-07 11:55                                                                             ` [PATCH 39/39] input: Exclude tasklet changes to i8042.c Vojtech Pavlik
2004-06-07 13:07                                         ` [PATCH 20/39] input: Create input_set_abs_params() Jan-Benedict Glaw

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