]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 17 Oct 2015 00:39:27 +0000 (17:39 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 17 Oct 2015 00:39:27 +0000 (17:39 -0700)
Pull input fixes from Dmitry Torokhov:
 "Just two small fixups to ads7846 touchscreen controller driver and
  Cypress touchpad driver"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: cyapa - fix the copy paste error on electrodes_rx value
  Input: ads7846 - correct the value got from SPI

drivers/input/mouse/cyapa_gen6.c
drivers/input/touchscreen/ads7846.c

index 5f191071d44a033d45d1f433475cd3b7d0b4befd..e4eb048d1bf63f8bc2d7027800a81a58cdf4f855 100644 (file)
@@ -241,14 +241,10 @@ static int cyapa_gen6_read_sys_info(struct cyapa *cyapa)
        memcpy(&cyapa->product_id[13], &resp_data[62], 2);
        cyapa->product_id[15] = '\0';
 
+       /* Get the number of Rx electrodes. */
        rotat_align = resp_data[68];
-       if (rotat_align) {
-               cyapa->electrodes_rx = cyapa->electrodes_y;
-               cyapa->electrodes_rx = cyapa->electrodes_y;
-       } else {
-               cyapa->electrodes_rx = cyapa->electrodes_x;
-               cyapa->electrodes_rx = cyapa->electrodes_y;
-       }
+       cyapa->electrodes_rx =
+               rotat_align ? cyapa->electrodes_y : cyapa->electrodes_x;
        cyapa->aligned_electrodes_rx = (cyapa->electrodes_rx + 3) & ~3u;
 
        if (!cyapa->electrodes_x || !cyapa->electrodes_y ||
index 0f5f968592bd02afd9c5381a8839b3428c3bcbea..04edc8f7122fa77d9c043694ba8f47d0c83dab0c 100644 (file)
@@ -668,18 +668,22 @@ static int ads7846_no_filter(void *ads, int data_idx, int *val)
 
 static int ads7846_get_value(struct ads7846 *ts, struct spi_message *m)
 {
+       int value;
        struct spi_transfer *t =
                list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
 
        if (ts->model == 7845) {
-               return be16_to_cpup((__be16 *)&(((char*)t->rx_buf)[1])) >> 3;
+               value = be16_to_cpup((__be16 *)&(((char *)t->rx_buf)[1]));
        } else {
                /*
                 * adjust:  on-wire is a must-ignore bit, a BE12 value, then
                 * padding; built from two 8 bit values written msb-first.
                 */
-               return be16_to_cpup((__be16 *)t->rx_buf) >> 3;
+               value = be16_to_cpup((__be16 *)t->rx_buf);
        }
+
+       /* enforce ADC output is 12 bits width */
+       return (value >> 3) & 0xfff;
 }
 
 static void ads7846_update_value(struct spi_message *m, int val)