linux-kernel - Re: [PATCH] Input: ALPS - Report v3 pinnacle trackstick device only if is present

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Date:	Wed, 6 Jan 2016 16:00:33 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Hans de Goede <hdegoede@...hat.com>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: ALPS - Report v3 pinnacle trackstick device only
 if is present

On Tue, Jan 05, 2016 at 05:54:19PM +0100, Pali Rohár wrote:
> On Monday 23 March 2015 12:42:25 Hans de Goede wrote:
> > Hi,
> > 
> > On 22-03-15 14:47, Pali Rohár wrote:
> > >This patch move v3 pinnacle code for trackstick detection from alps_hw_init_v3()
> > >to alps_set_protocol() so ALPS_DUALPOINT flag can be cleared before registering
> > >trackstick input device in kernel.
> > >
> > >Signed-off-by: Pali Rohár <pali.rohar@...il.com>
> > 
> > Looks good:
> > 
> > Acked-by: Hans de Goede <hdegoede@...hat.com>
> > 
> > Regards,
> > 
> > Hans
> > 
> 
> Hi Hans! I would like to remind this patch as it stays here on ML.

Applied, thank you.

> 
> > 
> > >---
> > >  drivers/input/mouse/alps.c |   12 +++++++-----
> > >  1 file changed, 7 insertions(+), 5 deletions(-)
> > >
> > >diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
> > >index c9cd27a..d24e98d 100644
> > >--- a/drivers/input/mouse/alps.c
> > >+++ b/drivers/input/mouse/alps.c
> > >@@ -1877,15 +1877,12 @@ error:
> > >
> > >  static int alps_hw_init_v3(struct psmouse *psmouse)
> > >  {
> > >+	struct alps_data *priv = psmouse->private;
> > >  	struct ps2dev *ps2dev = &psmouse->ps2dev;
> > >  	int reg_val;
> > >  	unsigned char param[4];
> > >
> > >-	reg_val = alps_probe_trackstick_v3_v7(psmouse, ALPS_REG_BASE_PINNACLE);
> > >-	if (reg_val == -EIO)
> > >-		goto error;
> > >-
> > >-	if (reg_val == 0 &&
> > >+	if ((priv->flags & ALPS_DUALPOINT) &&
> > >  	    alps_setup_trackstick_v3(psmouse, ALPS_REG_BASE_PINNACLE) == -EIO)
> > >  		goto error;
> > >
> > >@@ -2249,6 +2246,11 @@ static int alps_set_protocol(struct psmouse *psmouse,
> > >  		priv->decode_fields = alps_decode_pinnacle;
> > >  		priv->nibble_commands = alps_v3_nibble_commands;
> > >  		priv->addr_command = PSMOUSE_CMD_RESET_WRAP;
> > >+
> > >+		if (alps_probe_trackstick_v3_v7(psmouse,
> > >+						ALPS_REG_BASE_PINNACLE) < 0)
> > >+			priv->flags &= ~ALPS_DUALPOINT;
> > >+
> > >  		break;
> > >
> > >  	case ALPS_PROTO_V3_RUSHMORE:
> > >
> 
> -- 
> Pali Rohár
> pali.rohar@...il.com

-- 
Dmitry
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