Refactor sprintf to sysfs_emit in the show function of the arche platform
driver. This follows the standard kernel practice of using sysfs_emit for
sysfs attributes, ensuring consistent output formatting and newline
handling.

Signed-off-by: Shubham Chakraborty <chakrabortyshubham66@gmail.com>
---
 drivers/staging/greybus/arche-platform.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index f669a7e2eb11..de5de59ea8ab 100644
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -374,15 +374,15 @@ static ssize_t state_show(struct device *dev,
 
 	switch (arche_pdata->state) {
 	case ARCHE_PLATFORM_STATE_OFF:
-		return sprintf(buf, "off\n");
+		return sysfs_emit(buf, "off\n");
 	case ARCHE_PLATFORM_STATE_ACTIVE:
-		return sprintf(buf, "active\n");
+		return sysfs_emit(buf, "active\n");
 	case ARCHE_PLATFORM_STATE_STANDBY:
-		return sprintf(buf, "standby\n");
+		return sysfs_emit(buf, "standby\n");
 	case ARCHE_PLATFORM_STATE_FW_FLASHING:
-		return sprintf(buf, "fw_flashing\n");
+		return sysfs_emit(buf, "fw_flashing\n");
 	default:
-		return sprintf(buf, "unknown state\n");
+		return sysfs_emit(buf, "unknown state\n");
 	}
 }
 
-- 
2.53.0