linux-kernel - Re: [PATCH] staging: panel: fix lcd type

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Date:	Tue, 24 Mar 2015 08:04:11 +0100
From:	Willy Tarreau <w@....eu>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: panel: fix lcd type

Hi Sudip!

On Tue, Mar 24, 2015 at 10:18:10AM +0530, Sudip Mukherjee wrote:
> the lcd type as defined in the Kconfig is not matching in the code.
> as a result the rs, rw and en pins were getting interchanged.
> Kconfig defines the value of PANEL_LCD to be 1 if we select custom
> configuration but in the code LCD_TYPE_CUSTOM is defined as 5.
> 
> my hardware is LCD_TYPE_CUSTOM, but the pins were assigned to it
> as pins of LCD_TYPE_OLD, and it was not working.
> Now values are corrected with referenece to the values defined in
> Kconfig and it is working.
> checked on JHD204A lcd with LCD_TYPE_CUSTOM configuration.
> 
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>

OK but you also need to hange the MODULE_PARM_DESC(lcd_type) to
match these new settings. Given that this is a bug, you can even
think about adding a Cc: stable tag.

Thanks,
Willy

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