linux-kernel - [PATCH 35/51] Input: atmel_mxt_ts - Output status from T48 Noise Supression

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1372337366-9286-36-git-send-email-nick.dyer@itdev.co.uk>
Date:	Thu, 27 Jun 2013 13:49:10 +0100
From:	Nick Dyer <nick.dyer@...ev.co.uk>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Daniel Kurtz <djkurtz@...omium.org>,
	Henrik Rydberg <rydberg@...omail.se>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	Alan Bowens <Alan.Bowens@...el.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peter Meerwald <pmeerw@...erw.net>,
	Benson Leung <bleung@...omium.org>,
	Olof Johansson <olofj@...omium.org>,
	Nick Dyer <nick.dyer@...ev.co.uk>
Subject: [PATCH 35/51] Input: atmel_mxt_ts - Output status from T48 Noise Supression

Signed-off-by: Nick Dyer <nick.dyer@...ev.co.uk>
Acked-by: Benson Leung <bleung@...omium.org>
---
 drivers/input/touchscreen/atmel_mxt_ts.c |   27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 5d51133..d7ce38d 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -267,6 +267,7 @@ struct mxt_data {
 	u8 T9_reportid_max;
 	u8 T19_reportid;
 	u16 T44_address;
+	u8 T48_reportid;
 
 	/* for fw update in bootloader */
 	struct completion bl_completion;
@@ -768,6 +769,26 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message)
 	data->update_input = true;
 }
 
+static int mxt_proc_t48_messages(struct mxt_data *data, u8 *msg)
+{
+	struct device *dev = &data->client->dev;
+	u8 status, state;
+
+	status = msg[1];
+	state  = msg[4];
+
+	dev_dbg(dev, "T48 state %d status %02X %s%s%s%s%s\n",
+			state,
+			status,
+			(status & 0x01) ? "FREQCHG " : "",
+			(status & 0x02) ? "APXCHG " : "",
+			(status & 0x04) ? "ALGOERR " : "",
+			(status & 0x10) ? "STATCHG " : "",
+			(status & 0x20) ? "NLVLCHG " : "");
+
+	return 0;
+}
+
 static int mxt_proc_message(struct mxt_data *data, u8 *message)
 {
 	u8 report_id = message[0];
@@ -783,6 +804,8 @@ static int mxt_proc_message(struct mxt_data *data, u8 *message)
 	} else if (report_id == data->T19_reportid) {
 		mxt_input_button(data, message);
 		data->update_input = true;
+	} else if (report_id == data->T48_reportid) {
+		mxt_proc_t48_messages(data, message);
 	} else {
 		mxt_dump_message(data, message);
 	}
@@ -1420,6 +1443,7 @@ static void mxt_free_object_table(struct mxt_data *data)
 	data->T9_reportid_max = 0;
 	data->T19_reportid = 0;
 	data->T44_address = 0;
+	data->T48_reportid = 0;
 	data->max_reportid = 0;
 }
 
@@ -1493,6 +1517,9 @@ static int mxt_get_object_table(struct mxt_data *data)
 		case MXT_SPT_GPIOPWM_T19:
 			data->T19_reportid = min_id;
 			break;
+		case MXT_PROCG_NOISESUPPRESSION_T48:
+			data->T48_reportid = min_id;
+			break;
 		}
 
 		end_address = object->start_address
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/