Re: [PATCH RESEND] pxa/hx4700: add platform device and I2C info for AK4641 codec
From: Marek Vasut
Date: Thu Dec 29 2011 - 21:58:28 EST
> Also rename AK4641 power GPIOs to document the codec chip.
>
> Signed-off-by: Philipp Zabel <philipp.zabel@xxxxxxxxx>
> Signed-off-by: Dmitry Artamonow <mad_soft@xxxxxxxx>
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
> ---
> This patch was sent by Dmitry Artamonow on
> https://lkml.org/lkml/2011/5/18/222 and was resent on
> https://lkml.org/lkml/2011/9/12/100
> The audio on hx4700 needs this patch to properly work.
>
> arch/arm/mach-pxa/hx4700.c | 25 +++++++++++++++++++++++++
> arch/arm/mach-pxa/include/mach/hx4700.h | 4 ++--
> 2 files changed, 27 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
> index fb9b62d..1e2b627 100644
> --- a/arch/arm/mach-pxa/hx4700.c
> +++ b/arch/arm/mach-pxa/hx4700.c
> @@ -45,6 +45,7 @@
> #include <mach/hx4700.h>
> #include <mach/irda.h>
>
> +#include <sound/ak4641.h>
> #include <video/platform_lcd.h>
> #include <video/w100fb.h>
>
> @@ -765,6 +766,28 @@ static struct i2c_board_info __initdata
> pi2c_board_info[] = { };
>
> /*
> + * Asahi Kasei AK4641 on I2C
> + */
> +
> +static struct ak4641_platform_data ak4641_info = {
> + .gpio_power = GPIO27_HX4700_AK4641_POWER,
> + .gpio_npdn = GPIO109_HX4700_AK4641_nPDN,
> +};
> +
> +static struct i2c_board_info i2c_board_info[] __initdata = {
> + {
> + I2C_BOARD_INFO("ak4641", 0x12),
> + .platform_data = &ak4641_info,
> + },
> +};
> +
> +static struct platform_device audio = {
> + .name = "hx4700-audio",
> + .id = -1,
> +};
> +
> +
> +/*
> * PCMCIA
> */
>
> @@ -790,6 +813,7 @@ static struct platform_device *devices[] __initdata = {
> &gpio_vbus,
> &power_supply,
> &strataflash,
> + &audio,
> &pcmcia,
> };
>
> @@ -827,6 +851,7 @@ static void __init hx4700_init(void)
> pxa_set_ficp_info(&ficp_info);
> pxa27x_set_i2c_power_info(NULL);
> pxa_set_i2c_info(NULL);
> + i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
> i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
> pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
> spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
> diff --git a/arch/arm/mach-pxa/include/mach/hx4700.h
> b/arch/arm/mach-pxa/include/mach/hx4700.h index 8bc0291..f0f6015 100644
> --- a/arch/arm/mach-pxa/include/mach/hx4700.h
> +++ b/arch/arm/mach-pxa/include/mach/hx4700.h
> @@ -29,7 +29,7 @@
> #define GPIO14_HX4700_nWLAN_IRQ 14
> #define GPIO18_HX4700_RDY 18
> #define GPIO22_HX4700_LCD_RL 22
> -#define GPIO27_HX4700_CODEC_ON 27
> +#define GPIO27_HX4700_AK4641_POWER 27
> #define GPIO32_HX4700_RS232_ON 32
> #define GPIO52_HX4700_CPU_nBATT_FAULT 52
> #define GPIO58_HX4700_TSC2046_nPENIRQ 58
> @@ -67,7 +67,7 @@
> #define GPIO105_HX4700_nIR_ON 105
> #define GPIO106_HX4700_CPU_BT_nRESET 106
> #define GPIO107_HX4700_SPK_nSD 107
> -#define GPIO109_HX4700_CODEC_nPDN 109
> +#define GPIO109_HX4700_AK4641_nPDN 109
Is he rename necessary?
> #define GPIO110_HX4700_LCD_LVDD_3V3_ON 110
> #define GPIO111_HX4700_LCD_AVDD_3V3_ON 111
> #define GPIO112_HX4700_LCD_N2V7_7V3_ON 112
Other than that,
Acked-by: Marek Vasut <marek.vasut@xxxxxxxxx>
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