From: Guido Martínez Date: Wed, 6 May 2015 23:33:40 +0000 (-0700) Subject: Input: adp5589-keys - fix pull mask setting X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=195e610bf7104d0dbe7e420e361dfb154694691d;p=deliverable%2Flinux.git Input: adp5589-keys - fix pull mask setting The pull mask is created by looping each row (column) and building an 8-bit integer with the configuration. It is written byte-by-byte, when we reach the end of the rows (columns) or we're at the 3rd line (which finishes the first byte, since each pin is 2bits on the mask). However, this only works if we have at most 8 pins (2 bytes), which is not the case for the ADP5589. So, write the byte at each boundary (every 4 rows/columns). Signed-off-by: Guido Martínez Acked-by: Michael Hennerich Signed-off-by: Dmitry Torokhov --- diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index a45267729dfc..50bc0a0c598b 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -726,7 +726,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad) pull_mask |= val << (2 * (i & 0x3)); - if (i == 3 || i == kpad->var->max_row_num) { + if (i % 4 == 3 || i == kpad->var->max_row_num) { ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_A) + (i >> 2), pull_mask); pull_mask = 0; @@ -746,7 +746,7 @@ static int adp5589_setup(struct adp5589_kpad *kpad) pull_mask |= val << (2 * (i & 0x3)); - if (i == 3 || i == kpad->var->max_col_num) { + if (i % 4 == 3 || i == kpad->var->max_col_num) { ret |= adp5589_write(client, reg(ADP5585_RPULL_CONFIG_C) + (i >> 2), pull_mask);