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imx233/fuze+: rework i2c and fmradio_i2c init

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Only enable fmradio_i2c once with _init() called from system.
Move actual i2c init to system for consistency.
Move tuner power pin setup to power instead of fmradio.

Change-Id: Idb56bfba5803f71b5d049f174c48d2afb969a6ea
This commit is contained in:
Amaury Pouly 2012-03-15 14:59:20 +01:00
parent a4fd5bf7cb
commit 9caffa8bf7
6 changed files with 15 additions and 11 deletions
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10
firmware/target/arm/imx233/sansa-fuzeplus/fmradio-i2c-fuzeplus.c
View file

@ -85,17 +85,11 @@ struct i2c_interface fmradio_i2c =
.delay_thigh = 4
};
void fmradio_i2c_enable(bool enable)
void fmradio_i2c_init(void)
{
if(fmradio_i2c_bus == -1)
fmradio_i2c_bus = i2c_add_node(&fmradio_i2c);
imx233_set_pin_function(0, 29, PINCTRL_FUNCTION_GPIO);
imx233_set_pin_function(1, 24, PINCTRL_FUNCTION_GPIO);
imx233_set_pin_function(1, 22, PINCTRL_FUNCTION_GPIO);
imx233_enable_gpio_output(1, 22, enable);
imx233_enable_gpio_output(1, 24, enable);
imx233_set_gpio_output(1, 22, enable);
imx233_set_gpio_output(1, 24, enable);
fmradio_i2c_bus = i2c_add_node(&fmradio_i2c);
}
int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)

2
firmware/target/arm/imx233/sansa-fuzeplus/power-fuzeplus.c
View file

@ -32,8 +32,8 @@ bool tuner_power(bool enable)
{
if(enable != tuner_enable)
{
fmradio_i2c_enable(enable);
/* CE is B029 (active high) */
imx233_set_pin_function(0, 29, PINCTRL_FUNCTION_GPIO);
imx233_set_pin_drive_strength(0, 29, PINCTRL_DRIVE_4mA);
imx233_enable_gpio_output(0, 29, enable);
imx233_set_gpio_output(0, 29, enable);