From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yang, Xiaopeng" Subject: ads7846: data read from tsc2046 are all zeros Date: Thu, 08 Nov 2007 18:33:50 +0800 Message-ID: <4732E60E.3000308@windriver.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-omap-open-source-bounces@linux.omap.com Errors-To: linux-omap-open-source-bounces@linux.omap.com To: linux-omap-open-source@linux.omap.com List-Id: linux-omap@vger.kernel.org Hi all, I'm working on the tsc2046 touchscreen controller (using ads7846 driver) on sdp2430 v5.0.1 board. I can't get the touchscreen work with the linux-omap git tree. The driver builds, boots and register itself with no problem, interrupts can also be triggered when touching the panel, but no input events can be read. By enabling debug output, I finally found that all the values read from tsc2046 are all zeros. Does anyone encounter the same problem? What could be the root cause for this problem? Any suggestions are welcome. Thanks, Xiaopeng