aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/input/mouse/elantech.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 79363b687195..f181d73d9629 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1376,10 +1376,11 @@ static bool elantech_is_signature_valid(const unsigned char *param)
1376 return true; 1376 return true;
1377 1377
1378 /* 1378 /*
1379 * Some models have a revision higher then 20. Meaning param[2] may 1379 * Some hw_version >= 4 models have a revision higher then 20. Meaning
1380 * be 10 or 20, skip the rates check for these. 1380 * that param[2] may be 10 or 20, skip the rates check for these.
1381 */ 1381 */
1382 if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40) 1382 if ((param[0] & 0x0f) >= 0x06 && (param[1] & 0xaf) == 0x0f &&
1383 param[2] < 40)
1383 return true; 1384 return true;
1384 1385
1385 for (i = 0; i < ARRAY_SIZE(rates); i++) 1386 for (i = 0; i < ARRAY_SIZE(rates); i++)