[PATCH 06/12] aoa: pmf gpio: report if function calling fails
From: Johannes Berg <johannes@sipsolutions.net>
Date: 2006-07-07 17:00:15
This patch makes the pmf GPIO layer in aoa report if calling a platform function failed. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
--- linux-2.6-fetch.orig/sound/aoa/core/snd-aoa-gpio-pmf.c 2006-07-07 12:15:39.657697157 +0200
+++ linux-2.6-fetch/sound/aoa/core/snd-aoa-gpio-pmf.c 2006-07-07 12:15:54.207697157 +0200@@ -14,9 +14,13 @@ static void pmf_gpio_set_##name(struct gpio_runtime *rt, int on)\ { \ struct pmf_args args = { .count = 1, .u[0].v = !on }; \ - \ + int rc; \ + \ if (unlikely(!rt)) return; \ - pmf_call_function(rt->node, #name "-mute", &args); \ + rc = pmf_call_function(rt->node, #name "-mute", &args); \ + if (rc) \ + printk(KERN_WARNING "pmf_gpio_set_" #name \ + " failed, rc: %d\n", rc); \ rt->implementation_private &= ~(1<<bit); \ rt->implementation_private |= (!!on << bit); \ } \
@@ -33,9 +37,13 @@ PMF_GPIO(lineout, 2); static void pmf_gpio_set_hw_reset(struct gpio_runtime *rt, int on) { struct pmf_args args = { .count = 1, .u[0].v = !!on }; + int rc; if (unlikely(!rt)) return; - pmf_call_function(rt->node, "hw-reset", &args); + rc = pmf_call_function(rt->node, "hw-reset", &args); + if (rc) + printk(KERN_WARNING "pmf_gpio_set_hw_reset" + " failed, rc: %d\n", rc); } static void pmf_gpio_all_amps_off(struct gpio_runtime *rt) --