From mboxrd@z Thu Jan 1 00:00:00 1970 From: Donghwa Lee Date: Tue, 18 Dec 2012 17:07:48 +0900 Subject: [U-Boot] [PATCH] input: Add MELFAS mms144 touchscreen driver In-Reply-To: <20121217164131.C0008202AAE@gemini.denx.de> References: <50CE7957.6070603@samsung.com> <20121217164131.C0008202AAE@gemini.denx.de> Message-ID: <50D02454.2050609@samsung.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 2012-12-18 01:41, Wolfgang Denk wrote: > Dear Donghwa Lee, > > In message <50CE7957.6070603@samsung.com> you wrote: >> From: Sanggun Lee >> >> This is a TSP driver for touchscreen chip mms144 of MELFAS. >> It uses soft I2C interface and supports single touch. >> >> This driver uses polling method. >> If there are touch events, mms144_interrupt() reads and returns 0. >> If not, mms144_interrupt() returns -1. > Where exactly will this driver be used inside U-Boot? So far, we > don't have any GUI support, do what is a touch driver good for? > > Are you just adding dead code here? > > Best regards, > > Wolfgang Denk > From: Sanggun Lee Hi, We are testing various codes on TRATS board. If this patch would be submitted, we can test the codes in a pleasant working environment. If this driver is not used for any other purposes in the u-boot, we would use it only inside the local tree. Thank you, Sanggun Lee