Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753457AbaFJWqD (ORCPT ); Tue, 10 Jun 2014 18:46:03 -0400 Received: from marmot.wormnet.eu ([188.246.204.87]:43352 "EHLO marmot.wormnet.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751948AbaFJWqB (ORCPT ); Tue, 10 Jun 2014 18:46:01 -0400 X-Greylist: delayed 1250 seconds by postgrey-1.27 at vger.kernel.org; Tue, 10 Jun 2014 18:46:01 EDT From: Jamie Lentin To: Jiri Kosina Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Jamie Lentin Subject: [PATCH v2 1/2] Loosen seams to allow support of other keyboards Date: Tue, 10 Jun 2014 23:24:53 +0100 Message-Id: <1402439094-25464-2-git-send-email-jm@lentin.co.uk> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1402439094-25464-1-git-send-email-jm@lentin.co.uk> References: <1402439094-25464-1-git-send-email-jm@lentin.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Jamie Lentin --- drivers/hid/hid-lenovo-tpkbd.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c index 2d25b6c..3bec9f5 100644 --- a/drivers/hid/hid-lenovo-tpkbd.c +++ b/drivers/hid/hid-lenovo-tpkbd.c @@ -1,5 +1,6 @@ /* - * HID driver for Lenovo ThinkPad USB Keyboard with TrackPoint + * HID driver for Lenovo:- + * * ThinkPad USB Keyboard with TrackPoint * * Copyright (c) 2012 Bernhard Seibold */ @@ -35,7 +36,7 @@ struct tpkbd_data_pointer { #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) -static int tpkbd_input_mapping(struct hid_device *hdev, +static int tpkbd_input_mapping_tp(struct hid_device *hdev, struct hid_input *hi, struct hid_field *field, struct hid_usage *usage, unsigned long **bit, int *max) { @@ -48,6 +49,15 @@ static int tpkbd_input_mapping(struct hid_device *hdev, return 0; } +static int tpkbd_input_mapping(struct hid_device *hdev, + struct hid_input *hi, struct hid_field *field, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + if (hdev->product == USB_DEVICE_ID_LENOVO_TPKBD) + return tpkbd_input_mapping_tp(hdev, hi, field, usage, bit, max); + return 0; +} + #undef map_key_clear static int tpkbd_features_set(struct hid_device *hdev) @@ -338,6 +348,11 @@ static int tpkbd_probe_tp(struct hid_device *hdev) char *name_mute, *name_micmute; int i; + /* Ignore unless tpkbd_input_mapping_tp marked it as a pointer */ + if (!hid_get_drvdata(hdev)) + return 0; + hid_set_drvdata(hdev, NULL); + /* Validate required reports. */ for (i = 0; i < 4; i++) { if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) @@ -408,12 +423,9 @@ static int tpkbd_probe(struct hid_device *hdev, goto err; } - if (hid_get_drvdata(hdev)) { - hid_set_drvdata(hdev, NULL); - ret = tpkbd_probe_tp(hdev); - if (ret) - goto err_hid; - } + if (hdev->product == USB_DEVICE_ID_LENOVO_TPKBD + && tpkbd_probe_tp(hdev)) + goto err_hid; return 0; err_hid: @@ -437,7 +449,10 @@ static void tpkbd_remove_tp(struct hid_device *hdev) static void tpkbd_remove(struct hid_device *hdev) { - if (hid_get_drvdata(hdev)) + if (!hid_get_drvdata(hdev)) + return; + + if (hdev->product == USB_DEVICE_ID_LENOVO_TPKBD) tpkbd_remove_tp(hdev); hid_hw_stop(hdev); -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/