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| author | Hans de Goede <hdegoede@redhat.com> | 2015-04-22 17:45:59 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-05-04 16:51:52 +0200 |
| commit | 1572819c5fb4c7f8596c973555211b37847fdf5d (patch) | |
| tree | 706d6a0146a716a4714cf7d4908c168d67b3f965 /drivers/video/sunxi_display.c | |
| parent | a725426929515b9fdef1cb725159a29cf67361a7 (diff) | |
| download | talos-obmc-uboot-1572819c5fb4c7f8596c973555211b37847fdf5d.tar.gz talos-obmc-uboot-1572819c5fb4c7f8596c973555211b37847fdf5d.zip | |
sunxi: display: Fix gpio handling to work with the driver-model
The driver-model gpio functions may return another value then -1 as error,
make the sunxi display code properly handle this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'drivers/video/sunxi_display.c')
| -rw-r--r-- | drivers/video/sunxi_display.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index 1163ecf061..48dbdf5795 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -600,19 +600,19 @@ static void sunxi_lcdc_panel_enable(void) * white while the lcd inits. */ pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_BL_EN); - if (pin != -1) { + if (pin >= 0) { gpio_request(pin, "lcd_backlight_enable"); gpio_direction_output(pin, 0); } pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_BL_PWM); - if (pin != -1) { + if (pin >= 0) { gpio_request(pin, "lcd_backlight_pwm"); gpio_direction_output(pin, PWM_OFF); } reset_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_RESET); - if (reset_pin != -1) { + if (reset_pin >= 0) { gpio_request(reset_pin, "lcd_reset"); gpio_direction_output(reset_pin, 0); /* Assert reset */ } @@ -620,12 +620,12 @@ static void sunxi_lcdc_panel_enable(void) /* Give the backlight some time to turn off and power up the panel. */ mdelay(40); pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_POWER); - if (pin != -1) { + if (pin >= 0) { gpio_request(pin, "lcd_power"); gpio_direction_output(pin, 1); } - if (reset_pin != -1) + if (reset_pin >= 0) gpio_direction_output(reset_pin, 1); /* De-assert reset */ } @@ -640,11 +640,11 @@ static void sunxi_lcdc_backlight_enable(void) mdelay(40); pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_BL_EN); - if (pin != -1) + if (pin >= 0) gpio_direction_output(pin, 1); pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_BL_PWM); - if (pin != -1) + if (pin >= 0) gpio_direction_output(pin, PWM_ON); } @@ -961,7 +961,7 @@ static void sunxi_vga_external_dac_enable(void) int pin; pin = sunxi_name_to_gpio(CONFIG_VIDEO_VGA_EXTERNAL_DAC_EN); - if (pin != -1) { + if (pin >= 0) { gpio_request(pin, "vga_enable"); gpio_direction_output(pin, 1); } |
