Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread George Cherian
On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi ba...@ti.com wrote: has anyone ever successfully using gpio-pcf857x.c

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread Nishanth Menon
On 09/19/2013 03:13 AM, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi ba...@ti.com wrote: has

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread George Cherian
On 9/19/2013 5:37 PM, Nishanth Menon wrote: On 09/19/2013 03:13 AM, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: On Tue, Sep 17, 2013 at

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread Nishanth Menon
On 09/19/2013 07:20 AM, George Cherian wrote: On 9/19/2013 5:37 PM, Nishanth Menon wrote: On 09/19/2013 03:13 AM, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread Mark Jackson
On 19/09/13 13:20, George Cherian wrote: On 9/19/2013 5:37 PM, Nishanth Menon wrote: On 09/19/2013 03:13 AM, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27 Linus

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread Felipe Balbi
Hi, On Thu, Sep 19, 2013 at 01:43:41PM +0530, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread Felipe Balbi
Hi, On Thu, Sep 19, 2013 at 07:36:33AM -0500, Nishanth Menon wrote: On 09/19/2013 07:20 AM, George Cherian wrote: On 9/19/2013 5:37 PM, Nishanth Menon wrote: On 09/19/2013 03:13 AM, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at

Re: PCF857x and 16-bit GPIO expanders

2013-09-19 Thread Felipe Balbi
Hi, On Thu, Sep 19, 2013 at 06:38:13PM +0530, George Cherian wrote: On 9/19/2013 6:14 PM, Felipe Balbi wrote: Hi, On Thu, Sep 19, 2013 at 01:43:41PM +0530, George Cherian wrote: On 9/18/2013 11:06 PM, Felipe Balbi wrote: Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart

Re: PCF857x and 16-bit GPIO expanders

2013-09-18 Thread Linus Walleij
On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi ba...@ti.com wrote: has anyone ever successfully using gpio-pcf857x.c driver with 16-bit gpio expanders ? We're having some issues here where toggling the last gpio pin (gpio 15) on a PCF8575 device causes platform to hang and I can't come up with

Re: PCF857x and 16-bit GPIO expanders

2013-09-18 Thread Laurent Pinchart
On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi ba...@ti.com wrote: has anyone ever successfully using gpio-pcf857x.c driver with 16-bit gpio expanders ? We're having some issues here where toggling the last gpio pin (gpio 15) on a

Re: PCF857x and 16-bit GPIO expanders

2013-09-18 Thread Felipe Balbi
Hi, On Wed, Sep 18, 2013 at 07:18:04PM +0200, Laurent Pinchart wrote: On Wednesday 18 September 2013 13:16:27 Linus Walleij wrote: On Tue, Sep 17, 2013 at 9:07 PM, Felipe Balbi ba...@ti.com wrote: has anyone ever successfully using gpio-pcf857x.c driver with 16-bit gpio expanders ? We're

PCF857x and 16-bit GPIO expanders

2013-09-17 Thread Felipe Balbi
Hi, has anyone ever successfully using gpio-pcf857x.c driver with 16-bit gpio expanders ? We're having some issues here where toggling the last gpio pin (gpio 15) on a PCF8575 device causes platform to hang and I can't come up with any explanation of why would it hang... Any hints ? cheers --