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leds: leds-lp5523: Convert to sysfs_emit API

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Convert sprintf to the much safer sysfs_emit API to handle output for
sysfs.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20240626221520.2846-2-ansuelsmth@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Christian Marangi 2024-06-27 00:15:12 +02:00 committed by Lee Jones
parent 6f2fdde909
commit 8eac0379d3
1 changed files with 4 additions and 4 deletions
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8
drivers/leds/leds-lp5523.c
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@ -245,8 +245,8 @@ static ssize_t lp5523_selftest(struct device *dev,
goto fail;
if (adc >= vdd || adc < LP5523_ADC_SHORTCIRC_LIM)
pos += sprintf(buf + pos, "LED %d FAIL\n",
led->chan_nr);
pos += sysfs_emit_at(buf, pos, "LED %d FAIL\n",
led->chan_nr);
lp55xx_write(chip, LP5523_REG_LED_PWM_BASE + led->chan_nr,
0x00);
@ -257,10 +257,10 @@ static ssize_t lp5523_selftest(struct device *dev,
led++;
}
if (pos == 0)
pos = sprintf(buf, "OK\n");
pos = sysfs_emit(buf, "OK\n");
goto release_lock;
fail:
pos = sprintf(buf, "FAIL\n");
pos = sysfs_emit(buf, "FAIL\n");
release_lock:
mutex_unlock(&chip->lock);