diff options
Diffstat (limited to 'drivers/input/mouse/alps.c')
| -rw-r--r-- | drivers/input/mouse/alps.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index cc197d7473c9..abe9f9bdf69a 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -99,6 +99,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 6-byte ALPS packet */ +#define ALPS_IS_RUSHMORE 0x100 /* device is a rushmore */ static const struct alps_model_info alps_model_data[] = { { { 0x32, 0x02, 0x14 }, 0x00, ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* Toshiba Salellite Pro M10 */ @@ -376,15 +377,10 @@ static int alps_process_bitmap(struct alps_data *priv, prev_bit = bit; } - /* - * y bitmap is reversed for what we need (lower positions are in - * higher bits), so we process from the top end. - */ - y_map = y_map << (sizeof(y_map) * BITS_PER_BYTE - priv->y_bits); prev_bit = 0; point = &y_low; - for (i = 0; y_map != 0; i++, y_map <<= 1) { - bit = y_map & (1 << (sizeof(y_map) * BITS_PER_BYTE - 1)); + for (i = 0; y_map != 0; i++, y_map >>= 1) { + bit = y_map & 1; if (bit) { if (!prev_bit) { point->start_bit = i; @@ -435,6 +431,12 @@ static int alps_process_bitmap(struct alps_data *priv, (2 * y_high.start_bit + y_high.num_bits - 1)) / (2 * (priv->y_bits - 1)); + /* y-bitmap order is reversed, except on rushmore */ + if (!(priv->flags & ALPS_IS_RUSHMORE)) { + *y1 = priv->y_max - *y1; + *y2 = priv->y_max - *y2; + } + return fingers; } @@ -1981,6 +1983,7 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) priv->decode_fields = alps_decode_rushmore; priv->x_bits = 16; priv->y_bits = 12; + priv->flags |= ALPS_IS_RUSHMORE; /* hack to make addr_command, nibble_command available */ psmouse->private = priv; |