[RFC 3/8] drm/i2c: nxp-tda998x: ensure VIP output mux is properly set

2013-05-19 Thread Russell King - ARM Linux
On Sat, May 18, 2013 at 08:56:59AM +0200, Jean-Francois Moine wrote: > On Thu, 16 May 2013 20:26:18 +0100 > Russell King wrote: > > > When switching between various drivers for this device, it's possible > > that some critical registers are left containing values which affect > > the device opera

Re: [RFC 3/8] drm/i2c: nxp-tda998x: ensure VIP output mux is properly set

2013-05-19 Thread Russell King - ARM Linux
On Sat, May 18, 2013 at 08:56:59AM +0200, Jean-Francois Moine wrote: > On Thu, 16 May 2013 20:26:18 +0100 > Russell King wrote: > > > When switching between various drivers for this device, it's possible > > that some critical registers are left containing values which affect > > the device opera

Re: [RFC 3/8] drm/i2c: nxp-tda998x: ensure VIP output mux is properly set

2013-05-18 Thread Jean-Francois Moine
On Thu, 16 May 2013 20:26:18 +0100 Russell King wrote: > When switching between various drivers for this device, it's possible > that some critical registers are left containing values which affect > the device operation. One such case encountered is the VIP output > mux register. This defaults

[RFC 3/8] drm/i2c: nxp-tda998x: ensure VIP output mux is properly set

2013-05-18 Thread Jean-Francois Moine
On Thu, 16 May 2013 20:26:18 +0100 Russell King wrote: > When switching between various drivers for this device, it's possible > that some critical registers are left containing values which affect > the device operation. One such case encountered is the VIP output > mux register. This defaults

[RFC 3/8] drm/i2c: nxp-tda998x: ensure VIP output mux is properly set

2013-05-16 Thread Russell King
When switching between various drivers for this device, it's possible that some critical registers are left containing values which affect the device operation. One such case encountered is the VIP output mux register. This defaults to 0x24 on powerup, but other drivers may set this to 0x12. Thi

[RFC 3/8] drm/i2c: nxp-tda998x: ensure VIP output mux is properly set

2013-05-16 Thread Russell King
When switching between various drivers for this device, it's possible that some critical registers are left containing values which affect the device operation. One such case encountered is the VIP output mux register. This defaults to 0x24 on powerup, but other drivers may set this to 0x12. Thi