From 93a22f8b95756c53e80308820892119c910d2739 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 15 Oct 2008 22:03:15 -0700 Subject: omap drivers: switch to standard GPIO calls This updates most of the OMAP drivers which are in mainline to switch to using the cross-platform GPIO calls instead of the older OMAP-specific ones. This is all fairly brainless/obvious stuff. Probably the most interesting bit is to observe that the omap-keypad code seems to now have a portable core that could work with non-OMAP matrix keypads. (That would improve with hardware IRQ debouncing enabled, of course...) Signed-off-by: David Brownell Signed-off-by: Tony Lindgren Cc: Dmitry Torokhov Cc: Antonino Daplas Cc: David Woodhouse Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/input/keyboard/omap-keypad.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-) (limited to 'drivers/input') diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index dcea87a0bc5..9a816db7cc2 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -72,12 +72,9 @@ static unsigned int *col_gpios; static void set_col_gpio_val(struct omap_kp *omap_kp, u8 value) { int col; - for (col = 0; col < omap_kp->cols; col++) { - if (value & (1 << col)) - omap_set_gpio_dataout(col_gpios[col], 1); - else - omap_set_gpio_dataout(col_gpios[col], 0); - } + + for (col = 0; col < omap_kp->cols; col++) + gpio_set_value(col_gpios[col], value & (1 << col)); } static u8 get_row_gpio_val(struct omap_kp *omap_kp) @@ -86,7 +83,7 @@ static u8 get_row_gpio_val(struct omap_kp *omap_kp) u8 value = 0; for (row = 0; row < omap_kp->rows; row++) { - if (omap_get_gpio_datain(row_gpios[row])) + if (gpio_get_value(row_gpios[row])) value |= (1 << row); } return value; @@ -333,23 +330,23 @@ static int __init omap_kp_probe(struct platform_device *pdev) if (cpu_is_omap24xx()) { /* Cols: outputs */ for (col_idx = 0; col_idx < omap_kp->cols; col_idx++) { - if (omap_request_gpio(col_gpios[col_idx]) < 0) { + if (gpio_request(col_gpios[col_idx], "omap_kp_col") < 0) { printk(KERN_ERR "Failed to request" "GPIO%d for keypad\n", col_gpios[col_idx]); goto err1; } - omap_set_gpio_direction(col_gpios[col_idx], 0); + gpio_direction_output(col_gpios[col_idx], 0); } /* Rows: inputs */ for (row_idx = 0; row_idx < omap_kp->rows; row_idx++) { - if (omap_request_gpio(row_gpios[row_idx]) < 0) { + if (gpio_request(row_gpios[row_idx], "omap_kp_row") < 0) { printk(KERN_ERR "Failed to request" "GPIO%d for keypad\n", row_gpios[row_idx]); goto err2; } - omap_set_gpio_direction(row_gpios[row_idx], 1); + gpio_direction_input(row_gpios[row_idx]); } } else { col_idx = 0; @@ -418,10 +415,10 @@ err3: device_remove_file(&pdev->dev, &dev_attr_enable); err2: for (i = row_idx - 1; i >=0; i--) - omap_free_gpio(row_gpios[i]); + gpio_free(row_gpios[i]); err1: for (i = col_idx - 1; i >=0; i--) - omap_free_gpio(col_gpios[i]); + gpio_free(col_gpios[i]); kfree(omap_kp); input_free_device(input_dev); @@ -438,9 +435,9 @@ static int omap_kp_remove(struct platform_device *pdev) if (cpu_is_omap24xx()) { int i; for (i = 0; i < omap_kp->cols; i++) - omap_free_gpio(col_gpios[i]); + gpio_free(col_gpios[i]); for (i = 0; i < omap_kp->rows; i++) { - omap_free_gpio(row_gpios[i]); + gpio_free(row_gpios[i]); free_irq(OMAP_GPIO_IRQ(row_gpios[i]), 0); } } else { -- cgit v1.2.3