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leds: leds-mc13783: Remove duplicate field in platform data 

LED platform data are overwhelmed by excessive field "max_cur"
which just replicates few bits of "led_control" field.
This patch removes this field and adds a definition for the
current settings in the header.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Alexander Shiyan 2013-12-06 22:22:18 -08:00 committed by Bryan Wu
parent 33ca15325f
commit 01a7a063e8
3 changed files with 36 additions and 93 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
arch/arm/mach-imx/mach-mx31moboard.c
View File

@ -236,32 +236,26 @@ static struct mc13xxx_led_platform_data moboard_led[] = {
{
.id = MC13783_LED_R1,
.name = "coreboard-led-4:red",
.max_current = 2,
},
{
.id = MC13783_LED_G1,
.name = "coreboard-led-4:green",
.max_current = 2,
},
{
.id = MC13783_LED_B1,
.name = "coreboard-led-4:blue",
.max_current = 2,
},
{
.id = MC13783_LED_R2,
.name = "coreboard-led-5:red",
.max_current = 3,
},
{
.id = MC13783_LED_G2,
.name = "coreboard-led-5:green",
.max_current = 3,
},
{
.id = MC13783_LED_B2,
.name = "coreboard-led-5:blue",
.max_current = 3,
},
};
@ -271,8 +265,14 @@ static struct mc13xxx_leds_platform_data moboard_leds = {
.led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
.led_control[1] = MC13783_LED_C1_SLEWLIM,
.led_control[2] = MC13783_LED_C2_SLEWLIM,
.led_control[3] = MC13783_LED_C3_PERIOD(0),
.led_control[4] = MC13783_LED_C3_PERIOD(0),
.led_control[3] = MC13783_LED_C3_PERIOD(0) |
MC13783_LED_C3_CURRENT_R1(2) |
MC13783_LED_C3_CURRENT_G1(2) |
MC13783_LED_C3_CURRENT_B1(2),
.led_control[4] = MC13783_LED_C4_PERIOD(0) |
MC13783_LED_C4_CURRENT_R2(3) |
MC13783_LED_C4_CURRENT_G2(3) |
MC13783_LED_C4_CURRENT_B2(3),
};
static struct mc13xxx_buttons_platform_data moboard_buttons = {

76
drivers/leds/leds-mc13783.c
View File

@ -132,75 +132,6 @@ static void mc13xxx_led_set(struct led_classdev *led_cdev,
schedule_work(&led->work);
}
static int __init mc13xxx_led_setup(struct mc13xxx_led *led, int max_current)
{
int shift, mask, reg, ret, bank;
switch (led->id) {
case MC13783_LED_MD:
reg = MC13XXX_REG_LED_CONTROL(2);
shift = 0;
mask = 0x07;
break;
case MC13783_LED_AD:
reg = MC13XXX_REG_LED_CONTROL(2);
shift = 3;
mask = 0x07;
break;
case MC13783_LED_KP:
reg = MC13XXX_REG_LED_CONTROL(2);
shift = 6;
mask = 0x07;
break;
case MC13783_LED_R1:
case MC13783_LED_G1:
case MC13783_LED_B1:
case MC13783_LED_R2:
case MC13783_LED_G2:
case MC13783_LED_B2:
case MC13783_LED_R3:
case MC13783_LED_G3:
case MC13783_LED_B3:
bank = (led->id - MC13783_LED_R1) / 3;
reg = MC13XXX_REG_LED_CONTROL(3) + bank;
shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2;
mask = 0x03;
break;
case MC13892_LED_MD:
reg = MC13XXX_REG_LED_CONTROL(0);
shift = 9;
mask = 0x07;
break;
case MC13892_LED_AD:
reg = MC13XXX_REG_LED_CONTROL(0);
shift = 21;
mask = 0x07;
break;
case MC13892_LED_KP:
reg = MC13XXX_REG_LED_CONTROL(1);
shift = 9;
mask = 0x07;
break;
case MC13892_LED_R:
case MC13892_LED_G:
case MC13892_LED_B:
bank = (led->id - MC13892_LED_R) / 2;
reg = MC13XXX_REG_LED_CONTROL(2) + bank;
shift = ((led->id - MC13892_LED_R) - bank * 2) * 12 + 9;
mask = 0x07;
break;
default:
BUG();
}
mc13xxx_lock(led->master);
ret = mc13xxx_reg_rmw(led->master, reg, mask << shift,
max_current << shift);
mc13xxx_unlock(led->master);
return ret;
}
static int __init mc13xxx_led_probe(struct platform_device *pdev)
{
struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
@ -250,14 +181,12 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev)
for (i = 0; i < num_leds; i++) {
const char *name, *trig;
char max_current;
ret = -EINVAL;
id = pdata->led[i].id;
name = pdata->led[i].name;
trig = pdata->led[i].default_trigger;
max_current = pdata->led[i].max_current;
if ((id > devtype->led_max) || (id < devtype->led_min)) {
dev_err(&pdev->dev, "Invalid ID %i\n", id);
@ -280,11 +209,6 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev)
INIT_WORK(&leds->led[i].work, mc13xxx_led_work);
ret = mc13xxx_led_setup(&leds->led[i], max_current);
if (ret) {
dev_err(&pdev->dev, "Unable to setup LED %i\n", id);
break;
}
ret = led_classdev_register(pdev->dev.parent,
&leds->led[i].cdev);
if (ret) {

37
include/linux/mfd/mc13xxx.h
View File

@ -112,9 +112,6 @@ struct mc13xxx_led_platform_data {
int id;
const char *name;
const char *default_trigger;
/* Three or two bits current selection depending on the led */
char max_current;
};
#define MAX_LED_CONTROL_REGS 6
@ -123,7 +120,7 @@ struct mc13xxx_leds_platform_data {
struct mc13xxx_led_platform_data *led;
int num_leds;
/* LED Control 0 */
/* MC13783 LED Control 0 */
#define MC13783_LED_C0_ENABLE (1 << 0)
#define MC13783_LED_C0_TRIODE_MD (1 << 7)
#define MC13783_LED_C0_TRIODE_AD (1 << 8)
@ -131,21 +128,43 @@ struct mc13xxx_leds_platform_data {
#define MC13783_LED_C0_BOOST (1 << 10)
#define MC13783_LED_C0_ABMODE(x) (((x) & 0x7) << 11)
#define MC13783_LED_C0_ABREF(x) (((x) & 0x3) << 14)
/* LED Control 1 */
/* MC13783 LED Control 1 */
#define MC13783_LED_C1_TC1HALF (1 << 18)
#define MC13783_LED_C1_SLEWLIM (1 << 23)
/* LED Control 2 */
/* MC13783 LED Control 2 */
#define MC13783_LED_C2_CURRENT_MD(x) (((x) & 0x7) << 0)
#define MC13783_LED_C2_CURRENT_AD(x) (((x) & 0x7) << 3)
#define MC13783_LED_C2_CURRENT_KP(x) (((x) & 0x7) << 6)
#define MC13783_LED_C2_PERIOD(x) (((x) & 0x3) << 21)
#define MC13783_LED_C2_SLEWLIM (1 << 23)
/* LED Control 3 */
/* MC13783 LED Control 3 */
#define MC13783_LED_C3_CURRENT_R1(x) (((x) & 0x3) << 0)
#define MC13783_LED_C3_CURRENT_G1(x) (((x) & 0x3) << 2)
#define MC13783_LED_C3_CURRENT_B1(x) (((x) & 0x3) << 4)
#define MC13783_LED_C3_PERIOD(x) (((x) & 0x3) << 21)
#define MC13783_LED_C3_TRIODE_TC1 (1 << 23)
/* LED Control 4 */
/* MC13783 LED Control 4 */
#define MC13783_LED_C4_CURRENT_R2(x) (((x) & 0x3) << 0)
#define MC13783_LED_C4_CURRENT_G2(x) (((x) & 0x3) << 2)
#define MC13783_LED_C4_CURRENT_B2(x) (((x) & 0x3) << 4)
#define MC13783_LED_C4_PERIOD(x) (((x) & 0x3) << 21)
#define MC13783_LED_C4_TRIODE_TC2 (1 << 23)
/* LED Control 5 */
/* MC13783 LED Control 5 */
#define MC13783_LED_C5_CURRENT_R3(x) (((x) & 0x3) << 0)
#define MC13783_LED_C5_CURRENT_G3(x) (((x) & 0x3) << 2)
#define MC13783_LED_C5_CURRENT_B3(x) (((x) & 0x3) << 4)
#define MC13783_LED_C5_PERIOD(x) (((x) & 0x3) << 21)
#define MC13783_LED_C5_TRIODE_TC3 (1 << 23)
/* MC13892 LED Control 0 */
#define MC13892_LED_C0_CURRENT_MD(x) (((x) & 0x7) << 9)
#define MC13892_LED_C0_CURRENT_AD(x) (((x) & 0x7) << 21)
/* MC13892 LED Control 1 */
#define MC13892_LED_C1_CURRENT_KP(x) (((x) & 0x7) << 9)
/* MC13892 LED Control 2 */
#define MC13892_LED_C2_CURRENT_R(x) (((x) & 0x7) << 9)
#define MC13892_LED_C2_CURRENT_G(x) (((x) & 0x7) << 21)
/* MC13892 LED Control 3 */
#define MC13892_LED_C3_CURRENT_B(x) (((x) & 0x7) << 9)
u32 led_control[MAX_LED_CONTROL_REGS];
};