diff options
| author | warmcat <andy@warmcat.com> | 2008-11-19 17:09:33 +0000 |
|---|---|---|
| committer | Andy Green <agreen@pads.home.warmcat.com> | 2008-11-19 17:09:33 +0000 |
| commit | 72389bf132fb8cb7c05b2e5b360e240676d53e4c (patch) | |
| tree | 89a678132d1a7db1e573f6e5b22dca3b609e2c2a /drivers/mfd/glamo/glamo-spi-gpio.c | |
| parent | 695aab30a59b56143489a17b6b4268b3a9548148 (diff) | |
fix-lcm-reinit-post-resume.patch
Diffstat (limited to 'drivers/mfd/glamo/glamo-spi-gpio.c')
| -rw-r--r-- | drivers/mfd/glamo/glamo-spi-gpio.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/drivers/mfd/glamo/glamo-spi-gpio.c b/drivers/mfd/glamo/glamo-spi-gpio.c index 73926bd22a4..eda73223723 100644 --- a/drivers/mfd/glamo/glamo-spi-gpio.c +++ b/drivers/mfd/glamo/glamo-spi-gpio.c @@ -224,14 +224,46 @@ static int glamo_spigpio_remove(struct platform_device *pdev) return 0; } -#define glamo_spigpio_suspend NULL +/*#define glamo_spigpio_suspend NULL #define glamo_spigpio_resume NULL +*/ + + +#ifdef CONFIG_PM +static int glamo_spigpio_suspend(struct platform_device *pdev, pm_message_t state) +{ + return 0; +} + +static int glamo_spigpio_resume(struct platform_device *pdev) +{ + struct glamo_spigpio *sp = platform_get_drvdata(pdev); + + if (!sp) + return 0; + + /* set state of spi pins */ + glamo_gpio_setpin(sp->glamo, sp->info->pin_clk, 0); + glamo_gpio_setpin(sp->glamo, sp->info->pin_mosi, 0); + glamo_gpio_setpin(sp->glamo, sp->info->pin_cs, 1); + + glamo_gpio_cfgpin(sp->glamo, sp->info->pin_clk); + glamo_gpio_cfgpin(sp->glamo, sp->info->pin_mosi); + glamo_gpio_cfgpin(sp->glamo, sp->info->pin_cs); + if (sp->info->pin_miso) + glamo_gpio_cfgpin(sp->glamo, sp->info->pin_miso); + + return 0; +} +#endif static struct platform_driver glamo_spi_drv = { .probe = glamo_spigpio_probe, .remove = glamo_spigpio_remove, - .suspend = glamo_spigpio_suspend, - .resume = glamo_spigpio_resume, +#ifdef CONFIG_PM + .suspend_late = glamo_spigpio_suspend, + .resume_early = glamo_spigpio_resume, +#endif .driver = { .name = "glamo-spi-gpio", .owner = THIS_MODULE, |