[PATCH v2 8/9] OMAP4: omap4panda: Enable audio support
Tony Lindgren
tony at atomide.com
Thu Dec 22 13:15:18 EST 2011
* Peter Ujfalusi <peter.ujfalusi at ti.com> [111222 09:36]:
> Hi Tony,
>
> On 12/22/2011 07:32 PM, Tony Lindgren wrote:
> > Hi,
> >
> >> @@ -548,6 +588,19 @@ void omap4_panda_display_init(void)
> >> omap_display_init(&omap4_panda_dss_data);
> >> }
> >>
> >> +static void omap4_panda_audio_init(void)
> >> +{
> >> + if (cpu_is_omap4430()) {
> >> + /* PandaBoard 4430 */
> >> + panda_abe_audio_data.card_name = "PandaBoard";
> >> + /* Audio in is connected to HSMIC */
> >> + panda_abe_audio_data.has_hsmic = 1;
> >> + } else {
> >> + /* PandaBoard ES */
> >> + panda_abe_audio_data.card_name = "PandaBoardES";
> >> + }
> >> +}
> >> +
> >
> > Please move the cpu_is_omap4430() check from audio_init to..
> >
> >> static void __init omap4_panda_init(void)
> >> {
> >> int package = OMAP_PACKAGE_CBS;
> >> @@ -560,6 +613,7 @@ static void __init omap4_panda_init(void)
> >> pr_err("error setting wl12xx data\n");
> >>
> >> omap4_panda_i2c_init();
> >> + omap4_panda_audio_init();
> >> platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
> >> platform_device_register(&omap_vwlan_device);
> >> board_serial_init();
> >
> > ..omap4_panda_init() instead and set some flag that other
> > devices can use too so we don't have cpu_is_omap tests
> > for each init function. I'd assume that will be needed for
> > other devices too, but that's just a guess of course :)
>
> I was planning to have omap4_panda_init_rev(), which would be called
> just before the i2c_init().
> If other drivers need to differentiate between Panda and PandaES they
> can add their code there.
OK, sounds good to me. Maybe just make omap4_panda_init_rev() do
the cpu_is_omap check for now and then you can patch in the dynamic
detection later on?
> We can use GPIOs to get the board ID, I'm looking at those for a
> followup patch.
> The only issue is that the ID1 GPIO number is different between 4430,
> and 4460 based Panda.
> We can have similar revision handling as we have for Beagle at the end.
OK great.
Tony
More information about the linux-arm-kernel
mailing list