linux-kernel - Re: [PATCH v6] input: drv260x: Add TI drv260x haptics driver

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Date:	Tue, 19 Aug 2014 13:07:48 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	"Murphy, Dan" <dmurphy@...com>
Cc:	"mark.rutland@....com" <mark.rutland@....com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v6] input: drv260x: Add TI drv260x haptics driver

On Tue, Aug 19, 2014 at 07:35:06PM +0000, Murphy, Dan wrote:
> Dmitry
> 
> On 08/19/2014 02:24 PM, Dmitry Torokhov wrote:
> > Hi Dan,
> > 
> > On Fri, Aug 15, 2014 at 10:47:50AM -0500, Dan Murphy wrote:
> >> diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
> >> index 2ff4425..99f6762 100644
> >> --- a/drivers/input/misc/Kconfig
> >> +++ b/drivers/input/misc/Kconfig
> >> @@ -676,4 +676,13 @@ config INPUT_SOC_BUTTON_ARRAY
> >>  	  To compile this driver as a module, choose M here: the
> >>  	  module will be called soc_button_array.
> >>  
> >> +config INPUT_DRV260X_HAPTICS
> >> +	tristate "TI DRV260X haptics support"
> >> +	depends on INPUT && I2C
> > 
> > This also needs "select REGMAP_I2C"
> > 
> 
> This one is OK
> 
> >> +	help
> >> +	  Say Y to enable support for the TI DRV260X haptics driver.
> >> +
> >> +	  To compile this driver as a module, choose M here: the
> >> +	  module will be called drv260x-haptics.
> >> +
> > 
> > [...]
> > 
> >> +#ifndef _LINUX_DRV260X_PDATA_H
> >> +#define _LINUX_DRV260X_PDATA_H
> >> +
> >> +struct drv260x_platform_data {
> >> +	int enable_gpio;
> > 
> > I do not see this used anywhere.
> 
> But this is actually used here
> 
> haptics->enable_gpio = devm_gpiod_get(&client->dev, "enable");
> 
> for the non-dt case

"haptics" is not instance of drv260x_platform_data but drv260x_data which
defines:

struct drv260x_data {
	...
	struct gpio_desc *enable_gpio;
	...

That one I kept.

-- 
Dmitry
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