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leds: qpnp-flash-v2: Add support for multi-strobe

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Multi-strobe option is used to enable/disable the LEDs
back-to-back without disabling the module in the HW_STROBE mode.
Hence, enable the multi-strobe option if the LED is configured
in HW_STROBE mode.

Change-Id: I3e16254c6dcb4c4ae0b295cd7eea4e8ee8e1c2c7
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
This commit is contained in:
Kiran Gunda 2018-03-27 14:54:29 +05:30
parent 225f40883b
commit 1a91cd330a
1 changed files with 26 additions and 14 deletions
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40
drivers/leds/leds-qpnp-flash-v2.c
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@ -391,7 +391,7 @@ led_brightness qpnp_flash_led_brightness_get(struct led_classdev *led_cdev)
static int qpnp_flash_led_init_settings(struct qpnp_flash_led *led) static int qpnp_flash_led_init_settings(struct qpnp_flash_led *led)
{ {
int rc, i, addr_offset; int rc, i, addr_offset;
u8 val = 0, mask; u8 val = 0, mask, strobe_mask = 0;
for (i = 0; i < led->num_fnodes; i++) { for (i = 0; i < led->num_fnodes; i++) {
addr_offset = led->fnode[i].id; addr_offset = led->fnode[i].id;
@ -402,6 +402,31 @@ static int qpnp_flash_led_init_settings(struct qpnp_flash_led *led)
return rc; return rc;
val |= 0x1 << led->fnode[i].id; val |= 0x1 << led->fnode[i].id;
if (led->fnode[i].strobe_sel == HW_STROBE) {
if (led->fnode[i].id == LED3)
strobe_mask |= LED3_FLASH_ONCE_ONLY_BIT;
else
strobe_mask |= LED1N2_FLASH_ONCE_ONLY_BIT;
}
if (led->fnode[i].id == LED3 &&
led->fnode[i].strobe_sel == LPG_STROBE)
strobe_mask |= LED3_FLASH_ONCE_ONLY_BIT;
}
rc = qpnp_flash_led_masked_write(led,
FLASH_LED_REG_MULTI_STROBE_CTRL(led->base),
strobe_mask, 0);
if (rc < 0)
return rc;
if (led->fnode[LED3].strobe_sel == LPG_STROBE) {
rc = qpnp_flash_led_masked_write(led,
FLASH_LED_REG_LPG_INPUT_CTRL(led->base),
LPG_INPUT_SEL_BIT, LPG_INPUT_SEL_BIT);
if (rc < 0)
return rc;
} }
rc = qpnp_flash_led_write(led, rc = qpnp_flash_led_write(led,
@ -595,19 +620,6 @@ static int qpnp_flash_led_init_settings(struct qpnp_flash_led *led)
return rc; return rc;
} }
if (led->fnode[LED3].strobe_sel == LPG_STROBE) {
rc = qpnp_flash_led_masked_write(led,
FLASH_LED_REG_MULTI_STROBE_CTRL(led->base),
LED3_FLASH_ONCE_ONLY_BIT, 0);
if (rc < 0)
return rc;
rc = qpnp_flash_led_masked_write(led,
FLASH_LED_REG_LPG_INPUT_CTRL(led->base),
LPG_INPUT_SEL_BIT, LPG_INPUT_SEL_BIT);
if (rc < 0)
return rc;
}
return 0; return 0;
} }