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backlight: qcom-spmi-wled: Change the SYNC toggle sequence

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Change the ILED_SYNC and MOD_SYNC write sequence from 0 to 1
instead of 1 to 0 as per HW recommendation.

Change-Id: I93f4491cd1fd59ba5839c458157265c2d75315f9
Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
This commit is contained in:
Kiran Gunda 2021-01-07 19:59:08 +05:30 • committed by Gerrit - the friendly Code Review server
commit 4b00f2a819
1 changed files with 10 additions and 13 deletions
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27
drivers/video/backlight/qcom-spmi-wled.c
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@ -378,15 +378,13 @@ static int wled_sync_toggle(struct wled *wled)
rc = regmap_update_bits(wled->regmap,
wled->sink_addr + WLED_SINK_SYNC,
WLED_SINK_SYNC_MASK, WLED_SINK_SYNC_MASK);
WLED_SINK_SYNC_MASK, WLED_SINK_SYNC_CLEAR);
if (rc < 0)
return rc;
rc = regmap_update_bits(wled->regmap,
return regmap_update_bits(wled->regmap,
wled->sink_addr + WLED_SINK_SYNC,
WLED_SINK_SYNC_MASK, WLED_SINK_SYNC_CLEAR);
return rc;
WLED_SINK_SYNC_MASK, WLED_SINK_SYNC_MASK);
}
static int wled5_sample_hold_control(struct wled *wled, u16 brightness,
@ -460,20 +458,19 @@ static int wled5_set_brightness(struct wled *wled, u16 brightness)
if (rc < 0)
return rc;
/* Update brightness values to modulator in WLED5 */
val = (wled->cfg.mod_sel == MOD_A) ? WLED5_SINK_SYNC_MODA_BIT :
WLED5_SINK_SYNC_MODB_BIT;
rc = regmap_update_bits(wled->regmap,
wled->sink_addr + WLED5_SINK_MOD_SYNC_BIT_REG,
WLED5_SINK_SYNC_MASK, val);
if (rc < 0)
return rc;
val = 0;
rc = regmap_update_bits(wled->regmap,
wled->sink_addr + WLED5_SINK_MOD_SYNC_BIT_REG,
WLED_SINK_SYNC_MASK, val);
return rc;
/* Update brightness values to modulator in WLED5 */
if (rc < 0)
return rc;
val = (wled->cfg.mod_sel == MOD_A) ? WLED5_SINK_SYNC_MODA_BIT :
WLED5_SINK_SYNC_MODB_BIT;
return regmap_update_bits(wled->regmap,
wled->sink_addr + WLED5_SINK_MOD_SYNC_BIT_REG,
WLED5_SINK_SYNC_MASK, val);
}
static int wled4_set_brightness(struct wled *wled, u16 brightness)