Merge "backlight: qcom-spmi-wled: Fix compilation error" (8d42cf0c) · Commits · e / devices / android_kernel_xiaomi_sm6125

drivers/video/backlight/qcom-spmi-wled.c

+12 −7

Original line number	Diff line number	Diff line
		@@ -1510,7 +1510,8 @@ static int wled_get_max_avail_current(struct led_classdev *led_cdev,
		int *max_current)
		{
		struct wled *wled;
		int rc, ocv_mv, r_bat_mohms, i_bat_ma, i_sink_ma = 0, max_fsc_ma;
		int rc, ocv_mv, r_bat_mohms, i_bat_ma;
		int64_t max_fsc_ma, i_sink_ma = 0;
		int64_t p_out_string, p_out, p_in, v_safe_mv, i_flash_ma, v_ph_mv;

		if (!strcmp(led_cdev->name, "wled_switch"))
		@@ -1556,7 +1557,7 @@ static int wled_get_max_avail_current(struct led_classdev *led_cdev,
		p_out_string = ((wled->leds_per_string * V_LED_MV) + V_HDRM_MV) *
		I_FLASH_MAX_MA;
		p_out = p_out_string * wled->num_strings;
		p_in = (p_out * 1000) / EFF_FACTOR;
		p_in = div_s64(p_out * 1000, EFF_FACTOR);

		pr_debug("p_out_string: %lld, p_out: %lld, p_in: %lld\n", p_out_string,
		p_out, p_in);
		@@ -1568,8 +1569,9 @@ static int wled_get_max_avail_current(struct led_classdev *led_cdev,
		return 0;
		}

		i_flash_ma = p_in / v_safe_mv;
		v_ph_mv = ocv_mv - ((i_bat_ma + i_flash_ma) * r_bat_mohms) / 1000;
		i_flash_ma = div_s64(p_in, v_safe_mv);
		v_ph_mv = ocv_mv - div_s64(((i_bat_ma + i_flash_ma) * r_bat_mohms),
		1000);

		pr_debug("v_safe: %lld, i_flash: %lld, v_ph: %lld\n", v_safe_mv,
		i_flash_ma, v_ph_mv);
		@@ -1578,19 +1580,22 @@ static int wled_get_max_avail_current(struct led_classdev *led_cdev,
		if (wled->num_strings == 3 && wled->leds_per_string == 8) {
		if (v_ph_mv < 3410) {
		/* For 8s3p, I_sink(mA) = 25.396 * Vph(V) - 26.154 */
		i_sink_ma = (((25396 * v_ph_mv) / 1000) - 26154) / 1000;
		i_sink_ma = div_s64((div_s64((25396 * v_ph_mv),
		1000) - 26154), 1000);
		i_sink_ma *= wled->num_strings;
		}
		} else if (wled->num_strings == 3 && wled->leds_per_string == 6) {
		if (v_ph_mv < 2800) {
		/* For 6s3p, I_sink(mA) = 41.311 * Vph(V) - 52.334 */
		i_sink_ma = (((41311 * v_ph_mv) / 1000) - 52334) / 1000;
		i_sink_ma = div_s64((div_s64((41311 * v_ph_mv),
		1000) - 52334), 1000);
		i_sink_ma *= wled->num_strings;
		}
		} else if (wled->num_strings == 4 && wled->leds_per_string == 6) {
		if (v_ph_mv < 3400) {
		/* For 6s4p, I_sink(mA) = 26.24 * Vph(V) - 24.834 */
		i_sink_ma = (((26240 * v_ph_mv) / 1000) - 24834) / 1000;
		i_sink_ma = div_s64((div_s64((26240 * v_ph_mv),
		1000) - 24834), 1000);
		i_sink_ma *= wled->num_strings;
		}
		} else if (v_ph_mv < 3200) {