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Commit 9a8e1738 authored by Henrique de Moraes Holschuh's avatar Henrique de Moraes Holschuh Committed by Len Brown
Browse files

ACPI: ibm-acpi: style fixes and cruft removal 



This patch just fixes style, move some #defines to enums, and removes some
old cruft.

Signed-off-by: default avatarHenrique de Moraes Holschuh <hmh@hmh.eng.br>
parent fb87a811

drivers/acpi/ibm_acpi.c

+43 −57
Original line number Diff line number Diff line
@@ -78,9 +78,11 @@ 
#include <linux/init.h>

#include <linux/types.h>

#include <linux/string.h>



#include <linux/proc_fs.h>

#include <linux/backlight.h>

#include <asm/uaccess.h>



#include <linux/dmi.h>

#include <linux/jiffies.h>

#include <linux/workqueue.h>
@@ -121,28 +123,6 @@ static acpi_handle root_handle = NULL; 
	static char        *object##_path;			\

	static char        *object##_paths[] = { paths }



/*

 * The following models are supported to various degrees:

 *

 * 570, 600e, 600x, 770e, 770x

 * A20m, A21e, A21m, A21p, A22p, A30, A30p, A31, A31p

 * G40, G41

 * R30, R31, R32, R40, R40e, R50, R50e, R50p, R51

 * T20, T21, T22, T23, T30, T40, T40p, T41, T41p, T42, T42p, T43

 * X20, X21, X22, X23, X24, X30, X31, X40

 *

 * The following models have no supported features:

 *

 * 240, 240x, i1400

 *

 * Still missing DSDTs for the following models:

 *

 * A20p, A22e, A22m

 * R52

 * S31

 * T43p

 */



IBM_HANDLE(ec, root, "\\_SB.PCI0.ISA.EC0",	/* 240, 240x */

	   "\\_SB.PCI.ISA.EC",	/* 570 */

	   "\\_SB.PCI0.ISA0.EC0",	/* 600e/x, 770e, 770x */
@@ -785,12 +765,15 @@ static int wan_write(char *buf) 
	return 0;

}



static int video_supported;

static int video_orig_autosw;

enum video_access_mode {

	IBMACPI_VIDEO_NONE = 0,

	IBMACPI_VIDEO_570,	/* 570 */

	IBMACPI_VIDEO_770,	/* 600e/x, 770e, 770x */

	IBMACPI_VIDEO_NEW,	/* all others */

};



#define VIDEO_570 1

#define VIDEO_770 2

#define VIDEO_NEW 3

static enum video_access_mode video_supported;

static int video_orig_autosw;



static int video_init(void)

{
@@ -802,16 +785,16 @@ static int video_init(void) 


	if (!vid_handle)

		/* video switching not supported on R30, R31 */

		video_supported = 0;

		video_supported = IBMACPI_VIDEO_NONE;

	else if (acpi_evalf(vid_handle, &video_orig_autosw, "SWIT", "qd"))

		/* 570 */

		video_supported = VIDEO_570;

		video_supported = IBMACPI_VIDEO_570;

	else if (acpi_evalf(vid_handle, &video_orig_autosw, "^VADL", "qd"))

		/* 600e/x, 770e, 770x */

		video_supported = VIDEO_770;

		video_supported = IBMACPI_VIDEO_770;

	else

		/* all others */

		video_supported = VIDEO_NEW;

		video_supported = IBMACPI_VIDEO_NEW;



	return 0;

}
@@ -821,15 +804,15 @@ static int video_status(void) 
	int status = 0;

	int i;



	if (video_supported == VIDEO_570) {

	if (video_supported == IBMACPI_VIDEO_570) {

		if (acpi_evalf(NULL, &i, "\\_SB.PHS", "dd", 0x87))

			status = i & 3;

	} else if (video_supported == VIDEO_770) {

	} else if (video_supported == IBMACPI_VIDEO_770) {

		if (acpi_evalf(NULL, &i, "\\VCDL", "d"))

			status |= 0x01 * i;

		if (acpi_evalf(NULL, &i, "\\VCDC", "d"))

			status |= 0x02 * i;

	} else if (video_supported == VIDEO_NEW) {

	} else if (video_supported == IBMACPI_VIDEO_NEW) {

		acpi_evalf(NULL, NULL, "\\VUPS", "vd", 1);

		if (acpi_evalf(NULL, &i, "\\VCDC", "d"))

			status |= 0x02 * i;
@@ -848,9 +831,10 @@ static int video_autosw(void) 
{

	int autosw = 0;



	if (video_supported == VIDEO_570)

	if (video_supported == IBMACPI_VIDEO_570)

		acpi_evalf(vid_handle, &autosw, "SWIT", "d");

	else if (video_supported == VIDEO_770 || video_supported == VIDEO_NEW)

	else if (video_supported == IBMACPI_VIDEO_770 ||

		 video_supported == IBMACPI_VIDEO_NEW)

		acpi_evalf(vid_handle, &autosw, "^VDEE", "d");



	return autosw & 1;
@@ -870,12 +854,12 @@ static int video_read(char *p) 
	len += sprintf(p + len, "status:\t\tsupported\n");

	len += sprintf(p + len, "lcd:\t\t%s\n", enabled(status, 0));

	len += sprintf(p + len, "crt:\t\t%s\n", enabled(status, 1));

	if (video_supported == VIDEO_NEW)

	if (video_supported == IBMACPI_VIDEO_NEW)

		len += sprintf(p + len, "dvi:\t\t%s\n", enabled(status, 3));

	len += sprintf(p + len, "auto:\t\t%s\n", enabled(autosw, 0));

	len += sprintf(p + len, "commands:\tlcd_enable, lcd_disable\n");

	len += sprintf(p + len, "commands:\tcrt_enable, crt_disable\n");

	if (video_supported == VIDEO_NEW)

	if (video_supported == IBMACPI_VIDEO_NEW)

		len += sprintf(p + len, "commands:\tdvi_enable, dvi_disable\n");

	len += sprintf(p + len, "commands:\tauto_enable, auto_disable\n");

	len += sprintf(p + len, "commands:\tvideo_switch, expand_toggle\n");
@@ -890,7 +874,7 @@ static int video_switch(void) 


	if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))

		return -EIO;

	ret = video_supported == VIDEO_570 ?

	ret = video_supported == IBMACPI_VIDEO_570 ?

	    acpi_evalf(ec_handle, NULL, "_Q16", "v") :

	    acpi_evalf(vid_handle, NULL, "VSWT", "v");

	acpi_evalf(vid_handle, NULL, "_DOS", "vd", autosw);
@@ -900,9 +884,9 @@ static int video_switch(void) 


static int video_expand(void)

{

	if (video_supported == VIDEO_570)

	if (video_supported == IBMACPI_VIDEO_570)

		return acpi_evalf(ec_handle, NULL, "_Q17", "v");

	else if (video_supported == VIDEO_770)

	else if (video_supported == IBMACPI_VIDEO_770)

		return acpi_evalf(vid_handle, NULL, "VEXP", "v");

	else

		return acpi_evalf(NULL, NULL, "\\VEXP", "v");
@@ -912,10 +896,10 @@ static int video_switch2(int status) 
{

	int ret;



	if (video_supported == VIDEO_570) {

	if (video_supported == IBMACPI_VIDEO_570) {

		ret = acpi_evalf(NULL, NULL,

				 "\\_SB.PHS2", "vdd", 0x8b, status | 0x80);

	} else if (video_supported == VIDEO_770) {

	} else if (video_supported == IBMACPI_VIDEO_770) {

		int autosw = video_autosw();

		if (!acpi_evalf(vid_handle, NULL, "_DOS", "vd", 1))

			return -EIO;
@@ -951,10 +935,10 @@ static int video_write(char *buf) 
			enable |= 0x02;

		} else if (strlencmp(cmd, "crt_disable") == 0) {

			disable |= 0x02;

		} else if (video_supported == VIDEO_NEW &&

		} else if (video_supported == IBMACPI_VIDEO_NEW &&

			   strlencmp(cmd, "dvi_enable") == 0) {

			enable |= 0x08;

		} else if (video_supported == VIDEO_NEW &&

		} else if (video_supported == IBMACPI_VIDEO_NEW &&

			   strlencmp(cmd, "dvi_disable") == 0) {

			disable |= 0x08;

		} else if (strlencmp(cmd, "auto_enable") == 0) {
@@ -1253,26 +1237,28 @@ static int cmos_write(char *buf) 
	return 0;

}



static int led_supported;



#define LED_570 1

#define LED_OLD 2

#define LED_NEW 3

enum led_access_mode {

	IBMACPI_LED_NONE = 0,

	IBMACPI_LED_570,	/* 570 */

	IBMACPI_LED_OLD,	/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */

	IBMACPI_LED_NEW,	/* all others */

};

static enum led_access_mode led_supported;



static int led_init(void)

{

	if (!led_handle)

		/* led not supported on R30, R31 */

		led_supported = 0;

		led_supported = IBMACPI_LED_NONE;

	else if (strlencmp(led_path, "SLED") == 0)

		/* 570 */

		led_supported = LED_570;

		led_supported = IBMACPI_LED_570;

	else if (strlencmp(led_path, "SYSL") == 0)

		/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20-21 */

		led_supported = LED_OLD;

		led_supported = IBMACPI_LED_OLD;

	else

		/* all others */

		led_supported = LED_NEW;

		led_supported = IBMACPI_LED_NEW;



	return 0;

}
@@ -1289,7 +1275,7 @@ static int led_read(char *p) 
	}

	len += sprintf(p + len, "status:\t\tsupported\n");



	if (led_supported == LED_570) {

	if (led_supported == IBMACPI_LED_570) {

		/* 570 */

		int i, status;

		for (i = 0; i < 8; i++) {
@@ -1338,13 +1324,13 @@ static int led_write(char *buf) 
		} else

			return -EINVAL;



		if (led_supported == LED_570) {

		if (led_supported == IBMACPI_LED_570) {

			/* 570 */

			led = 1 << led;

			if (!acpi_evalf(led_handle, NULL, NULL, "vdd",

					led, led_sled_arg1[ind]))

				return -EIO;

		} else if (led_supported == LED_OLD) {

		} else if (led_supported == IBMACPI_LED_OLD) {

			/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */

			led = 1 << led;

			ret = ec_write(EC_HLMS, led);