From: Daniel Baluta <daniel.baluta@xxxxxxx> commit 4bbee14d8e5487e3d2662138e3767cf4678cdf57 upstream. When debug is enabled compiler cannot find the definition of clk_get_rate resulting in the following error: ./include/sound/simple_card_utils.h:168:40: note: previous implicit declaration of ‘clk_get_rate’ was here dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); ./include/sound/simple_card_utils.h:168:3: note: in expansion of macro ‘dev_dbg’ dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk)); Fix this by including the appropriate header. Fixes: 0580dde59438686d ("ASoC: simple-card-utils: add asoc_simple_debug_info()") Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx> Link: https://lore.kernel.org/r/20191009153615.32105-2-daniel.baluta@xxxxxxx Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/sound/simple_card_utils.h | 1 + 1 file changed, 1 insertion(+) --- a/include/sound/simple_card_utils.h +++ b/include/sound/simple_card_utils.h @@ -8,6 +8,7 @@ #ifndef __SIMPLE_CARD_UTILS_H #define __SIMPLE_CARD_UTILS_H +#include <linux/clk.h> #include <sound/soc.h> #define asoc_simple_init_hp(card, sjack, prefix) \