mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
61a83932b8
Currently the led device name is fetched from the device_type in I2C_BOARD_INFO which comes from the platform data. This name is in turn used to create an entry in sysfs. If there exists two or more lp5521 on a particular platform, the device_type in I2C_BOARD_INFO has to be the same, else lp5521 driver probe wont be called and if used so, results in run time warning "cannot create sysfs with same name" and hence a failure. The name that is used to create sysfs entry is to be passed by the struct led_platform_data. Hence adding an element of type const char * and change in lp5521 driver to use this name in creating the led device if present else use the name obtained by I2C_BOARD_INFO. Signed-off-by: Arun Murthy <arun.murthy@stericsson.com> Acked-by: Samu Onkalo <samu.p.onkalo@nokia.com> Cc: Ilkka Koskinen <ilkka.koskinen@nokia.com> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
|
|
* LP5521 LED chip driver.
|
|
*
|
|
* Copyright (C) 2010 Nokia Corporation
|
|
*
|
|
* Contact: Samu Onkalo <samu.p.onkalo@nokia.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef __LINUX_LP5521_H
|
|
#define __LINUX_LP5521_H
|
|
|
|
/* See Documentation/leds/leds-lp5521.txt */
|
|
|
|
struct lp5521_led_config {
|
|
u8 chan_nr;
|
|
u8 led_current; /* mA x10, 0 if led is not connected */
|
|
u8 max_current;
|
|
};
|
|
|
|
#define LP5521_CLOCK_AUTO 0
|
|
#define LP5521_CLOCK_INT 1
|
|
#define LP5521_CLOCK_EXT 2
|
|
|
|
struct lp5521_platform_data {
|
|
struct lp5521_led_config *led_config;
|
|
u8 num_channels;
|
|
u8 clock_mode;
|
|
int (*setup_resources)(void);
|
|
void (*release_resources)(void);
|
|
void (*enable)(bool state);
|
|
const char *label;
|
|
};
|
|
|
|
#endif /* __LINUX_LP5521_H */
|