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3 Commits

Author SHA1 Message Date
Duan Jiong
a013781747 Input: cyttsp4 - replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO 
This patch fixes coccinelle error regarding usage of IS_ERR and
PTR_ERR instead of PTR_ERR_OR_ZERO.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2013-11-11 00:01:45 -08:00
Ferruh Yigit
62f548d0c2 Input: cyttsp4 - use 16bit address for I2C/SPI communication 
In TSG4, register map is 512bytes long and to access all of it,
one bit from address byte is used (which bit to use differs for
I2C and SPI);

Since common code used for TSG3 and TSG4 for I2C, this parameter
wrongly used as u8. TSG3 does not access beyond 255 bytes
but TSG4 may.

Tested-on:TMA3XX DVB && TMA4XX DVB

Signed-off-by: Ferruh Yigit <fery@cypress.com>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2013-07-06 21:57:06 -07:00
Ferruh Yigit
67bf12ca50 Input: cyttsp4 - SPI driver for Cypress TMA4XX touchscreen devices 
Cypress TrueTouch(tm) Standard Product controllers,
Generation4 devices, SPI adapter module.

This driver adds communication support with TTSP controller
using SPI bus.

Signed-off-by: Ferruh Yigit <fery@cypress.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
 2013-06-30 21:24:28 -07:00