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| author | Jason Gerecke <killertofu@gmail.com> | 2016-10-19 18:03:39 -0700 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2016-10-20 09:53:55 +0200 |
| commit | 49005b9fd05249d537363ff86cb41f07f48c847a (patch) | |
| tree | 8d84d0d5a613fd1b54c1f97e7697878d30a9d517 /drivers | |
| parent | 1b18b75c7e2452fc6f4cd1bb701efc4438532a07 (diff) | |
| download | linux-49005b9fd05249d537363ff86cb41f07f48c847a.tar.bz2 | |
HID: wacom: Refactor button-to-key translation into function
This just centralizes the logic used in both wacom_setup_numbered_buttons
and wacom_report_numbered_buttons so that they don't drift out of sync.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/wacom_wac.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 3038954b8c41..8071c18bf9c2 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -2769,17 +2769,29 @@ int wacom_setup_touch_input_capabilities(struct input_dev *input_dev, return 0; } +static int wacom_numbered_button_to_key(int n) +{ + if (n < 10) + return BTN_0 + n; + else if (n < 16) + return BTN_A + (n-10); + else if (n < 18) + return BTN_BASE + (n-16); + else + return 0; +} + static void wacom_setup_numbered_buttons(struct input_dev *input_dev, int button_count) { int i; - for (i = 0; i < button_count && i < 10; i++) - __set_bit(BTN_0 + i, input_dev->keybit); - for (i = 10; i < button_count && i < 16; i++) - __set_bit(BTN_A + (i-10), input_dev->keybit); - for (i = 16; i < button_count && i < 18; i++) - __set_bit(BTN_BASE + (i-16), input_dev->keybit); + for (i = 0; i < button_count; i++) { + int key = wacom_numbered_button_to_key(i); + + if (key) + __set_bit(key, input_dev->keybit); + } } static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group) @@ -2881,12 +2893,12 @@ static void wacom_report_numbered_buttons(struct input_dev *input_dev, for (i = 0; i < wacom->led.count; i++) wacom_update_led(wacom, button_count, mask, i); - for (i = 0; i < button_count && i < 10; i++) - input_report_key(input_dev, BTN_0 + i, mask & (1 << i)); - for (i = 10; i < button_count && i < 16; i++) - input_report_key(input_dev, BTN_A + (i-10), mask & (1 << i)); - for (i = 16; i < button_count && i < 18; i++) - input_report_key(input_dev, BTN_BASE + (i-16), mask & (1 << i)); + for (i = 0; i < button_count; i++) { + int key = wacom_numbered_button_to_key(i); + + if (key) + input_report_key(input_dev, key, mask & (1 << i)); + } } int wacom_setup_pad_input_capabilities(struct input_dev *input_dev, |