diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
commit | adf6d34e460387ee3e8f1e1875d52bff51212c7d (patch) | |
tree | 88ef100143e6184103a608f82dfd232bf6376eaf /arch/arm/mach-omap1/leds-osk.c | |
parent | d1964dab60ce7c104dd21590e987a8787db18051 (diff) | |
parent | 3760d31f11bfbd0ead9eaeb8573e0602437a9d7c (diff) |
Merge branch 'omap2-upstream' into devel
Diffstat (limited to 'arch/arm/mach-omap1/leds-osk.c')
-rw-r--r-- | arch/arm/mach-omap1/leds-osk.c | 80 |
1 files changed, 1 insertions, 79 deletions
diff --git a/arch/arm/mach-omap1/leds-osk.c b/arch/arm/mach-omap1/leds-osk.c index 026685ed461a..754383dde807 100644 --- a/arch/arm/mach-omap1/leds-osk.c +++ b/arch/arm/mach-omap1/leds-osk.c @@ -1,11 +1,9 @@ /* * linux/arch/arm/mach-omap1/leds-osk.c * - * LED driver for OSK, and optionally Mistral QVGA, boards + * LED driver for OSK with optional Mistral QVGA board */ #include <linux/init.h> -#include <linux/workqueue.h> -#include <linux/i2c/tps65010.h> #include <asm/hardware.h> #include <asm/leds.h> @@ -20,49 +18,11 @@ #define LED_STATE_CLAIMED (1 << 1) static u8 led_state; -#define GREEN_LED (1 << 0) /* TPS65010 LED1 */ -#define AMBER_LED (1 << 1) /* TPS65010 LED2 */ -#define RED_LED (1 << 2) /* TPS65010 GPIO2 */ #define TIMER_LED (1 << 3) /* Mistral board */ #define IDLE_LED (1 << 4) /* Mistral board */ static u8 hw_led_state; -/* TPS65010 leds are changed using i2c -- from a task context. - * Using one of these for the "idle" LED would be impractical... - */ -#define TPS_LEDS (GREEN_LED | RED_LED | AMBER_LED) - -static u8 tps_leds_change; - -static void tps_work(struct work_struct *unused) -{ - for (;;) { - u8 leds; - - local_irq_disable(); - leds = tps_leds_change; - tps_leds_change = 0; - local_irq_enable(); - - if (!leds) - break; - - /* careful: the set_led() value is on/off/blink */ - if (leds & GREEN_LED) - tps65010_set_led(LED1, !!(hw_led_state & GREEN_LED)); - if (leds & AMBER_LED) - tps65010_set_led(LED2, !!(hw_led_state & AMBER_LED)); - - /* the gpio led doesn't have that issue */ - if (leds & RED_LED) - tps65010_set_gpio_out_value(GPIO2, - !(hw_led_state & RED_LED)); - } -} - -static DECLARE_WORK(work, tps_work); - #ifdef CONFIG_OMAP_OSK_MISTRAL /* For now, all system indicators require the Mistral board, since that @@ -112,7 +72,6 @@ void osk_leds_event(led_event_t evt) case led_stop: led_state &= ~LED_STATE_ENABLED; hw_led_state = 0; - /* NOTE: work may still be pending!! */ break; case led_claim: @@ -145,48 +104,11 @@ void osk_leds_event(led_event_t evt) #endif /* CONFIG_OMAP_OSK_MISTRAL */ - /* "green" == tps LED1 (leftmost, normally power-good) - * works only with DC adapter, not on battery power! - */ - case led_green_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= GREEN_LED; - break; - case led_green_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~GREEN_LED; - break; - - /* "amber" == tps LED2 (middle) */ - case led_amber_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= AMBER_LED; - break; - case led_amber_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~AMBER_LED; - break; - - /* "red" == LED on tps gpio3 (rightmost) */ - case led_red_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= RED_LED; - break; - case led_red_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~RED_LED; - break; - default: break; } leds ^= hw_led_state; - leds &= TPS_LEDS; - if (leds && (led_state & LED_STATE_CLAIMED)) { - tps_leds_change |= leds; - schedule_work(&work); - } done: local_irq_restore(flags); |