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Subject[PATCH 08/21 v5] Input: atmel_mxt_ts - print less overhead when dumping objects
Date
Conserve limited (PAGE_SIZE) sysfs output buffer space by only showing
readable objects and not printing the object's index, which is not useful
to userspace.

Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 94dd1d1..c8cfd7b 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -897,15 +897,11 @@ static ssize_t mxt_object_show(struct device *dev,
for (i = 0; i < data->info.object_num; i++) {
object = data->object_table + i;

- count += scnprintf(buf + count, PAGE_SIZE - count,
- "Object[%d] (Type %d)\n",
- i + 1, object->type);
-
- if (!mxt_object_readable(object->type)) {
- count += scnprintf(buf + count, PAGE_SIZE - count,
- "\n");
+ if (!mxt_object_readable(object->type))
continue;
- }
+
+ count += scnprintf(buf + count, PAGE_SIZE - count,
+ "T%u:\n", object->type);

error = __mxt_read_reg(data->client, object->start_address,
object->size + 1, obuf);
--
1.7.7.3


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