From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: [PATCH v2] xen,input: try to read screen resolution for xen-kbdfront Date: Fri, 27 Jan 2017 08:12:39 +0100 Message-ID: <20170127071239.913-1-jgross@suse.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, xen-devel@lists.xenproject.org Cc: dmitry.torokhov@gmail.com, Juergen Gross List-Id: linux-input@vger.kernel.org Instead of using the default resolution of 800*600 for the pointing device of xen-kbdfront try to read the resolution of the (virtual) framebuffer device. Use the default as fallback only. Signed-off-by: Juergen Gross --- V2: get framebuffer resolution only if CONFIG_FB (Dmitry Torokhov) --- drivers/input/misc/xen-kbdfront.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c index 3900875..3aae9b4 100644 --- a/drivers/input/misc/xen-kbdfront.c +++ b/drivers/input/misc/xen-kbdfront.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -108,7 +109,7 @@ static irqreturn_t input_handler(int rq, void *dev_id) static int xenkbd_probe(struct xenbus_device *dev, const struct xenbus_device_id *id) { - int ret, i; + int ret, i, width, height; unsigned int abs; struct xenkbd_info *info; struct input_dev *kbd, *ptr; @@ -173,9 +174,17 @@ static int xenkbd_probe(struct xenbus_device *dev, ptr->id.product = 0xfffe; if (abs) { + width = XENFB_WIDTH; + height = XENFB_HEIGHT; +#ifdef CONFIG_FB + if (registered_fb[0]) { + width = registered_fb[0]->var.xres_virtual; + height = registered_fb[0]->var.yres_virtual; + } +#endif __set_bit(EV_ABS, ptr->evbit); - input_set_abs_params(ptr, ABS_X, 0, XENFB_WIDTH, 0, 0); - input_set_abs_params(ptr, ABS_Y, 0, XENFB_HEIGHT, 0, 0); + input_set_abs_params(ptr, ABS_X, 0, width, 0, 0); + input_set_abs_params(ptr, ABS_Y, 0, height, 0, 0); } else { input_set_capability(ptr, EV_REL, REL_X); input_set_capability(ptr, EV_REL, REL_Y); -- 2.10.2