Removing dead APM (74b86b3d) · Commits · 戴 / test

arch/arm/mach-omap1/board-palmte.c

+0 −84

Original line number	Diff line number	Diff line
		@@ -213,90 +213,6 @@ static struct omap_lcd_config palmte_lcd_config __initdata = {
		.ctrl_name = "internal",
		};

		#ifdef CONFIG_APM
		/*
		* Values measured in 10 minute intervals averaged over 10 samples.
		* May differ slightly from device to device but should be accurate
		* enough to give basic idea of battery life left and trigger
		* potential alerts.
		*/
		static const int palmte_battery_sample[] = {
		2194, 2157, 2138, 2120,
		2104, 2089, 2075, 2061,
		2048, 2038, 2026, 2016,
		2008, 1998, 1989, 1980,
		1970, 1958, 1945, 1928,
		1910, 1888, 1860, 1827,
		1791, 1751, 1709, 1656,
		};

		#define INTERVAL 10
		#define BATTERY_HIGH_TRESHOLD 66
		#define BATTERY_LOW_TRESHOLD 33

		static void palmte_get_power_status(struct apm_power_info info, int battery)
		{
		int charging, batt, hi, lo, mid;

		charging = !gpio_get_value(PALMTE_DC_GPIO);
		batt = battery[0];
		if (charging)
		batt -= 60;

		hi = ARRAY_SIZE(palmte_battery_sample);
		lo = 0;

		info->battery_flag = 0;
		info->units = APM_UNITS_MINS;

		if (batt > palmte_battery_sample[lo]) {
		info->battery_life = 100;
		info->time = INTERVAL * ARRAY_SIZE(palmte_battery_sample);
		} else if (batt <= palmte_battery_sample[hi - 1]) {
		info->battery_life = 0;
		info->time = 0;
		} else {
		while (hi > lo + 1) {
		mid = (hi + lo) >> 1;
		if (batt <= palmte_battery_sample[mid])
		lo = mid;
		else
		hi = mid;
		}

		mid = palmte_battery_sample[lo] - palmte_battery_sample[hi];
		hi = palmte_battery_sample[lo] - batt;
		info->battery_life = 100 - (100 * lo + 100 * hi / mid) /
		ARRAY_SIZE(palmte_battery_sample);
		info->time = INTERVAL * (ARRAY_SIZE(palmte_battery_sample) -
		lo) - INTERVAL * hi / mid;
		}

		if (charging) {
		info->ac_line_status = APM_AC_ONLINE;
		info->battery_status = APM_BATTERY_STATUS_CHARGING;
		info->battery_flag \|= APM_BATTERY_FLAG_CHARGING;
		} else {
		info->ac_line_status = APM_AC_OFFLINE;
		if (info->battery_life > BATTERY_HIGH_TRESHOLD)
		info->battery_status = APM_BATTERY_STATUS_HIGH;
		else if (info->battery_life > BATTERY_LOW_TRESHOLD)
		info->battery_status = APM_BATTERY_STATUS_LOW;
		else
		info->battery_status = APM_BATTERY_STATUS_CRITICAL;
		}

		if (info->battery_life > BATTERY_HIGH_TRESHOLD)
		info->battery_flag \|= APM_BATTERY_FLAG_HIGH;
		else if (info->battery_life > BATTERY_LOW_TRESHOLD)
		info->battery_flag \|= APM_BATTERY_FLAG_LOW;
		else
		info->battery_flag \|= APM_BATTERY_FLAG_CRITICAL;
		}
		#else
		#define palmte_get_power_status NULL
		#endif

		static struct omap_board_config_kernel palmte_config[] __initdata = {
		{ OMAP_TAG_LCD, &palmte_lcd_config },
		};

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