Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input: (65 commits)
  Input: gpio_keys - add support for switches (EV_SW)
  Input: cobalt_btns - convert to use polldev library
  Input: add skeleton for simple polled devices
  Input: update some documentation
  Input: wistron - fix typo in keymap for Acer TM610
  Input: add input_set_capability() helper
  Input: i8042 - add Fujitsu touchscreen/touchpad PNP IDs
  Input: i8042 - add Panasonic CF-29 to nomux list
  Input: lifebook - split into 2 devices
  Input: lifebook - add signature of Panasonic CF-29
  Input: lifebook - activate 6-byte protocol on select models
  Input: lifebook - work properly on Panasonic CF-18
  Input: cobalt buttons - separate device and driver registration
  Input: ati_remote - make button repeat sensitivity configurable
  Input: pxa27x - do not use deprecated SA_INTERRUPT flag
  Input: ucb1400 - make delays configurable
  Input: misc devices - switch to using input_dev->dev.parent
  Input: joysticks - switch to using input_dev->dev.parent
  Input: touchscreens - switch to using input_dev->dev.parent
  Input: mice - switch to using input_dev->dev.parent
  ...

Fixed up conflicts with core device model removal of "struct subsystem" manually.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 16 insertions, 14 deletions

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 0a26e0663542..693e3b2a65a3 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -39,7 +39,8 @@
 /*
  * This code has been heavily tested on a Nokia 770, and lightly
  * tested on other ads7846 devices (OSK/Mistral, Lubbock).
- * Support for ads7843 and ads7845 has only been stubbed in.
+ * Support for ads7843 tested on Atmel at91sam926x-EK.
+ * Support for ads7845 has only been stubbed in.
  *
  * IRQ handling needs a workaround because of a shortcoming in handling
  * edge triggered IRQs on some platforms like the OMAP1/2. These
@@ -246,18 +247,16 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
 
         /* REVISIT:  take a few more samples, and compare ... */
 
-        /* maybe off internal vREF */
-        if (use_internal) {
-                req->ref_off = REF_OFF;
-                req->xfer[4].tx_buf = &req->ref_off;
-                req->xfer[4].len = 1;
-                spi_message_add_tail(&req->xfer[4], &req->msg);
-
-                req->xfer[5].rx_buf = &req->scratch;
-                req->xfer[5].len = 2;
-                CS_CHANGE(req->xfer[5]);
-                spi_message_add_tail(&req->xfer[5], &req->msg);
-        }
+        /* converter in low power mode & enable PENIRQ */
+        req->ref_off = PWRDOWN;
+        req->xfer[4].tx_buf = &req->ref_off;
+        req->xfer[4].len = 1;
+        spi_message_add_tail(&req->xfer[4], &req->msg);
+
+        req->xfer[5].rx_buf = &req->scratch;
+        req->xfer[5].len = 2;
+        CS_CHANGE(req->xfer[5]);
+        spi_message_add_tail(&req->xfer[5], &req->msg);
 
         ts->irq_disabled = 1;
         disable_irq(spi->irq);
@@ -536,6 +535,9 @@ static void ads7846_rx(void *ads)
         } else
                 Rt = 0;
 
+        if (ts->model == 7843)
+                Rt = ts->pressure_max / 2;
+
         /* Sample found inconsistent by debouncing or pressure is beyond
          * the maximum. Don't report it to user space, repeat at least
          * once more the measurement
@@ -897,7 +899,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 
         input_dev->name = "ADS784x Touchscreen";
         input_dev->phys = ts->phys;
-        input_dev->cdev.dev = &spi->dev;
+        input_dev->dev.parent = &spi->dev;
 
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
         input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);