3 commits

Author	SHA1	Message	Date
Igor Grinberg	6516f81b64	gpio_led: check gpio_request() return value ... Add a check for the gpio_request() function return value and do not try to configure the GPIO if the gpio_request() call fails. Also, print an error message indicating the gpio_request() has failed. Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Tested-by: Ilya Ledvich <ilya@compulab.co.il>	2013-11-25 10:41:52 -05:00
Thomas Chou	ec3b498192	gpio_led: add gpio_request to __led_init ... This patch adds the gpio usage request. The polarity is changed to positive as suggested by Mike Frysinger. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Signed-off-by: Scott McNutt <smcnutt@psyent.com>	2010-07-12 11:30:52 -04:00
Thomas Chou	3e6b86b555	misc: add gpio based status led driver ... This patch adds a status led driver followed the GPIO access conventions of Linux. The led mask is used to specify the gpio pin. Signed-off-by: Thomas Chou <thomas@wytron.com.tw> Tested-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Scott McNutt <smcnutt@psyent.com>	2010-05-28 10:56:03 -04:00