- inline picolcd_fb_reset and picolcd_init_framebuffer stub simply allows compilation on systems with CONFIG_HID_PICOLCD_FB disabled. - inline picolcd_init_backlight and picolcd_resume_backlight stub simply allows compilation on systems with CONFIG_HID_PICOLCD_BACKLIGHT disabled. - inline picolcd_init_lcd and picolcd_resume_lcd stub simply allows compilation on systems with CONFIG_HID_PICOLCD_LCD disabled. - inline picolcd_init_leds stub simply allows compilation on systems with CONFIG_HID_PICOLCD_LEDS disabled. - inline picolcd_init_cir stub simply allows compilation on systems with CONFIG_HID_PICOLCD_CIR disabled.
Signed-off-by: Arvind Yadav <[email protected]> --- drivers/hid/hid-picolcd.h | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/hid/hid-picolcd.h b/drivers/hid/hid-picolcd.h index e56d847..7e6c10a 100644 --- a/drivers/hid/hid-picolcd.h +++ b/drivers/hid/hid-picolcd.h @@ -17,6 +17,8 @@ * along with this software. If not see <http://www.gnu.org/licenses/>. * ***************************************************************************/ +#include <linux/errno.h> + #define PICOLCD_NAME "PicoLCD (graphic)" /* Report numbers */ @@ -192,11 +194,11 @@ void picolcd_fb_refresh(struct picolcd_data *data); #else static inline int picolcd_fb_reset(struct picolcd_data *data, int clear) { - return 0; + return -ENODEV; } static inline int picolcd_init_framebuffer(struct picolcd_data *data) { - return 0; + return -ENOMEM; } static inline void picolcd_exit_framebuffer(struct picolcd_data *data) { @@ -221,14 +223,14 @@ void picolcd_suspend_backlight(struct picolcd_data *data); static inline int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report) { - return 0; + return -ENODEV; } static inline void picolcd_exit_backlight(struct picolcd_data *data) { } static inline int picolcd_resume_backlight(struct picolcd_data *data) { - return 0; + return -ENODEV; } static inline void picolcd_suspend_backlight(struct picolcd_data *data) { @@ -248,14 +250,14 @@ int picolcd_resume_lcd(struct picolcd_data *data); static inline int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report) { - return 0; + return -ENODEV; } static inline void picolcd_exit_lcd(struct picolcd_data *data) { } static inline int picolcd_resume_lcd(struct picolcd_data *data) { - return 0; + return -ENODEV; } #endif /* CONFIG_HID_PICOLCD_LCD */ @@ -271,7 +273,7 @@ void picolcd_leds_set(struct picolcd_data *data); static inline int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report) { - return 0; + return -ENODEV; } static inline void picolcd_exit_leds(struct picolcd_data *data) { @@ -297,7 +299,7 @@ static inline int picolcd_raw_cir(struct picolcd_data *data, } static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) { - return 0; + return -ENOMEM; } static inline void picolcd_exit_cir(struct picolcd_data *data) { -- 1.9.1
