[PATCH 2/3] ASoC: davinci-mcasp: Use 'snd_pcm_format_t' type

[Fabio Estevam <festevam@gmail.com>]

From: Fabio Estevam <fabio.estevam@nxp.com>

'snd_pcm_format_t' type is better suited for iterating through the
SNDRV_PCM_FORMAT members.

Also, use SNDRV_PCM_FORMAT_FIRST for the first element.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 sound/soc/davinci/davinci-mcasp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 03ba218..bde2252 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1214,11 +1214,12 @@ static int davinci_mcasp_hw_rule_format(struct snd_pcm_hw_params *params,
 	struct snd_mask nfmt;
 	int rate = params_rate(params);
 	int slots = rd->mcasp->tdm_slots;
-	int i, count = 0;
+	snd_pcm_format_t i;
+	int count = 0;
 
 	snd_mask_none(&nfmt);
 
-	for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) {
+	for (i = SNDRV_PCM_FORMAT_FIRST; i <= SNDRV_PCM_FORMAT_LAST; i++) {
 		if (snd_mask_test(fmt, i)) {
 			uint sbits = snd_pcm_format_width(i);
 			int ppm;
-- 
2.7.4