diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-06-02 19:18:49 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2011-07-31 23:28:19 +0200 |
| commit | 266a5e02fe2690637b2318c9fc5c3513937128f4 (patch) | |
| tree | 1f531de03568ef9b78ae67f2204f481c1e9eb582 /drivers/mfd/wm831x-core.c | |
| parent | eb503dc16b04d07a42a37892da73c74461fd06da (diff) | |
| download | lwn-266a5e02fe2690637b2318c9fc5c3513937128f4.tar.gz lwn-266a5e02fe2690637b2318c9fc5c3513937128f4.zip | |
mfd: Allow touchscreen to be disabled on wm831x devices
Allow platform data to flag the touchscreen as disabled so that if the
touch driver is built in we don't end up causing lots of work by spuriously
detecting touchscreen activity on systems where it isn't in use.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/wm831x-core.c')
| -rw-r--r-- | drivers/mfd/wm831x-core.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index 04994b23bb6b..ff57a1674758 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1125,11 +1125,6 @@ static struct mfd_cell wm8311_devs[] = { .resources = wm831x_status2_resources, }, { - .name = "wm831x-touch", - .num_resources = ARRAY_SIZE(wm831x_touch_resources), - .resources = wm831x_touch_resources, - }, - { .name = "wm831x-watchdog", .num_resources = ARRAY_SIZE(wm831x_wdt_resources), .resources = wm831x_wdt_resources, @@ -1286,11 +1281,6 @@ static struct mfd_cell wm8312_devs[] = { .resources = wm831x_status2_resources, }, { - .name = "wm831x-touch", - .num_resources = ARRAY_SIZE(wm831x_touch_resources), - .resources = wm831x_touch_resources, - }, - { .name = "wm831x-watchdog", .num_resources = ARRAY_SIZE(wm831x_wdt_resources), .resources = wm831x_wdt_resources, @@ -1428,6 +1418,15 @@ static struct mfd_cell wm8320_devs[] = { }, }; +static struct mfd_cell touch_devs[] = { + { + .name = "wm831x-touch", + .num_resources = ARRAY_SIZE(wm831x_touch_resources), + .resources = wm831x_touch_resources, + }, +}; + + static struct mfd_cell backlight_devs[] = { { .name = "wm831x-backlight", @@ -1624,12 +1623,20 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8311_devs, ARRAY_SIZE(wm8311_devs), NULL, wm831x->irq_base); + if (!pdata || !pdata->disable_touch) + mfd_add_devices(wm831x->dev, wm831x_num, + touch_devs, ARRAY_SIZE(touch_devs), + NULL, wm831x->irq_base); break; case WM8312: ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8312_devs, ARRAY_SIZE(wm8312_devs), NULL, wm831x->irq_base); + if (!pdata || !pdata->disable_touch) + mfd_add_devices(wm831x->dev, wm831x_num, + touch_devs, ARRAY_SIZE(touch_devs), + NULL, wm831x->irq_base); break; case WM8320: |