Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753032AbbLXNtk (ORCPT ); Thu, 24 Dec 2015 08:49:40 -0500 Received: from kdh-gw.itdev.co.uk ([89.21.227.133]:5973 "EHLO hermes.kdh.itdev.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752365AbbLXNth (ORCPT ); Thu, 24 Dec 2015 08:49:37 -0500 From: Nick Dyer To: Dmitry Torokhov Cc: Benson Leung , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Alan Bowens , Javier Martinez Canillas , Chris Healy , Nick Dyer Subject: [PATCH RFC v2 4/9] Input: atmel_mxt_ts - handle diagnostic data orientation Date: Thu, 24 Dec 2015 13:49:23 +0000 Message-Id: <1450964968-9792-5-git-send-email-nick.dyer@itdev.co.uk> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1450964968-9792-1-git-send-email-nick.dyer@itdev.co.uk> References: <1450964968-9792-1-git-send-email-nick.dyer@itdev.co.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3176 Lines: 104 Invert the diagnostic data to match the orientation of the input device. Signed-off-by: Nick Dyer --- drivers/input/touchscreen/atmel_mxt_ts.c | 30 +++++++++++++++++++++++------- 1 file changed, 23 insertions(+), 7 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index a177019..48bf9ec 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -122,6 +122,8 @@ struct t9_range { /* MXT_TOUCH_MULTI_T9 orient */ #define MXT_T9_ORIENT_SWITCH (1 << 0) +#define MXT_T9_ORIENT_INVERTX (1 << 1) +#define MXT_T9_ORIENT_INVERTY (1 << 2) /* MXT_SPT_COMMSCONFIG_T18 */ #define MXT_COMMS_CTRL 0 @@ -153,6 +155,8 @@ struct t37_debug { #define MXT_T100_YRANGE 24 #define MXT_T100_CFG_SWITCHXY BIT(5) +#define MXT_T100_CFG_INVERTY BIT(6) +#define MXT_T100_CFG_INVERTX BIT(7) #define MXT_T100_TCHAUX_VECT BIT(0) #define MXT_T100_TCHAUX_AMPL BIT(1) @@ -244,7 +248,9 @@ struct mxt_data { unsigned int irq; unsigned int max_x; unsigned int max_y; - bool xy_switch; + bool invertx; + bool inverty; + bool xyswitch; u8 xsize; u8 ysize; bool in_bootloader; @@ -1720,7 +1726,9 @@ static int mxt_read_t9_resolution(struct mxt_data *data) if (error) return error; - data->xy_switch = orient & MXT_T9_ORIENT_SWITCH; + data->xyswitch = orient & MXT_T9_ORIENT_SWITCH; + data->invertx = orient & MXT_T9_ORIENT_INVERTX; + data->inverty = orient & MXT_T9_ORIENT_INVERTY; return 0; } @@ -1774,7 +1782,9 @@ static int mxt_read_t100_config(struct mxt_data *data) if (error) return error; - data->xy_switch = cfg & MXT_T100_CFG_SWITCHXY; + data->xyswitch = cfg & MXT_T100_CFG_SWITCHXY; + data->invertx = cfg & MXT_T100_CFG_INVERTX; + data->inverty = cfg & MXT_T100_CFG_INVERTY; /* allocate aux bytes */ error = __mxt_read_reg(client, @@ -1863,7 +1873,7 @@ static int mxt_initialize_input_device(struct mxt_data *data) if (data->max_y == 0) data->max_y = 1023; - if (data->xy_switch) + if (data->xyswitch) swap(data->max_x, data->max_y); dev_info(dev, "Touchscreen size X%uY%u\n", data->max_x, data->max_y); @@ -2119,15 +2129,21 @@ static void mxt_convert_debug_pages(struct seq_file *s, struct mxt_data *data) struct mxt_dbg *dbg = &data->dbg; unsigned int x = 0; unsigned int y = 0; - unsigned int i; + unsigned int i, rx, ry; u16 val; for (i = 0; i < dbg->t37_nodes; i++) { - val = mxt_get_debug_value(data, x, y); + /* Handle orientation */ + rx = data->xyswitch ? y : x; + ry = data->xyswitch ? x : y; + rx = data->invertx ? (data->xsize - 1 - rx) : rx; + ry = data->inverty ? (data->ysize - 1 - ry) : ry; + + val = mxt_get_debug_value(data, rx, ry); seq_write(s, &val, sizeof(u16)); /* Next value */ - if (++x >= data->xsize) { + if (++x >= (data->xyswitch ? data->ysize : data->xsize)) { x = 0; y++; } -- 2.5.0 -- 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/